function testDirectObjectRefs($arrayOfURLs, $testId) { connectToDb($db); updateStatus($db, "Testing all URLs for Insecure Direct Object References...", $testId); $log = new Logger(); $log->lfile('logs/eventlogs'); $log->lwrite("Identifying which URLs have parameters"); $log->lwrite("All URLs found during crawl:"); $urlsWithParameters = array(); foreach ($arrayOfURLs as $currentUrl) { $log->lwrite($currentUrl); if (strpos($currentUrl, "?")) { array_push($urlsWithParameters, $currentUrl); } } $log->lwrite("URLs with parameters:"); foreach ($urlsWithParameters as $currentUrl) { $log->lwrite($currentUrl); } $log->lwrite("Testing each URL that has parameters"); foreach ($urlsWithParameters as $currentUrl) { $parsedUrl = parse_url($currentUrl); if ($parsedUrl) { $query = $parsedUrl['query']; $parameters = array(); parse_str($query, $parameters); foreach ($parameters as $para) { if (preg_match('/\\.([^\\.]+)$/', $para)) { //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $tableName = 'test' . $testId; $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'idor' AND method = 'get' AND url = '{$currentUrl}' AND attack_str = '{$para}'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'idor', 'get', $currentUrl, $para); } } } } } else { $log->lwrite("Could not parse malformed URL: {$currentUrl}"); } } }
function testAuthenticationSQLi($urlToCheck, $urlOfSite, $testId) { connectToDb($db); updateStatus($db, "Testing {$urlToCheck} for Broken Authentication using SQL Injection...", $testId); $log = new Logger(); $log->lfile('logs/eventlogs'); $log->lwrite("Starting Broken Authentication SQLi test function on {$urlToCheck}"); $postUrl = $urlToCheck; $postUrlPath = parse_url($postUrl, PHP_URL_PATH); //Check URL is not responding with 5xx codes $log->lwrite("Checking what response code is received from {$urlToCheck}"); $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); $error = $http->GetRequestArguments($urlToCheck, $arguments); $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$urlToCheck}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$urlToCheck}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $responseCode = $http->response_status; //This is a string $log->lwrite("Received response code: {$responseCode}"); if (intval($responseCode) >= 500 && intval($responseCode) < 600) { $log->lwrite("Response code: {$responseCode} received from: {$urlToCheck}"); return; } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; $log->lwrite("Error: {$error}"); } $html = file_get_html($postUrl, $testId); if (empty($html)) { //This can happen due to file_get_contents returning a 500 code. Then the parser won't parse it updateStatus($db, "Problem getting contents from {$urlToCheck}...", $testId); $log->lwrite("Problem getting contents from {$urlToCheck}"); return; } //Array containing all form objects found $arrayOfForms = array(); //Array containing all input fields $arrayOfInputFields = array(); $log->lwrite("Searching {$postUrl} for forms"); $formNum = 1; //Must use an integer to identify form as forms could have same names and ids foreach ($html->find('form') as $form) { isset($form->attr['id']) ? $formId = htmlspecialchars($form->attr['id']) : ($formId = ''); isset($form->attr['name']) ? $formName = htmlspecialchars($form->attr['name']) : ($formName = ''); isset($form->attr['method']) ? $formMethod = htmlspecialchars($form->attr['method']) : ($formMethod = 'get'); isset($form->attr['action']) ? $formAction = htmlspecialchars($form->attr['action']) : ($formAction = ''); $formMethod = strtolower($formMethod); //If the action of the form is empty, set the action equal to everything //after the URL that the user entered if (empty($formAction)) { $strLengthUrl = strlen($urlToCheck); $strLengthSite = strlen($urlOfSite); $firstIndexOfSlash = strpos($urlToCheck, '/', $strLengthSite - 1); $formAction = substr($urlToCheck, $firstIndexOfSlash + 1, $strLengthUrl); } $log->lwrite("Found form on {$postUrl}: {$formId} {$formName} {$formMethod} {$formAction} {$formNum}"); $newForm = new Form($formId, $formName, $formMethod, $formAction, $formNum); array_push($arrayOfForms, $newForm); foreach ($form->find('input') as $input) { isset($input->attr['id']) ? $inputId = htmlspecialchars($input->attr['id']) : ($inputId = ''); isset($input->attr['name']) ? $inputName = htmlspecialchars($input->attr['name']) : ($inputName = ''); isset($input->attr['value']) ? $inputValue = htmlspecialchars($input->attr['value']) : ($inputValue = ''); isset($input->attr['type']) ? $inputType = htmlspecialchars($input->attr['type']) : ($inputType = ''); $log->lwrite("Found input field on {$postUrl}: {$inputId} {$inputName} {$formId} {$formName} {$inputValue} {$inputType} {$formNum}"); $inputField = new InputField($inputId, $inputName, $formId, $formName, $inputValue, $inputType, $formNum); array_push($arrayOfInputFields, $inputField); } $formNum++; } //At this stage, we should have captured all forms and their input fields into the appropriate arrays //Begin testing each of the forms //Defintion of all payloads used and warnings to examine for //Payloads can be added to this $arrayOfPayloads = array("1'or'1'='1", "1'or'1'='1';#"); //Check if the URL passed into this function displays the same webpage at different intervals //If it does then attempt to login and if this URL displays a different page, the vulnerability is present //e.g. a login page would always look different when you are and are not logged in $log->lwrite("Checking if {$urlToCheck} displays the same page at different intervals"); $responseBodies = array(); $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); for ($a = 0; $a < 3; $a++) { $error = $http->GetRequestArguments($urlToCheck, $arguments); $error = $http->Open($arguments); if ($error == "") { $number = $a + 1; $log->lwrite("Sending HTTP request number {$number} to {$urlToCheck}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { array_push($responseBodies, $body); } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: a= {$a} ", $error, "</H2>\n"; } } $pageChanges = true; $bodyOfUrl = ""; if ($responseBodies[0] == $responseBodies[1] && $responseBodies[1] == $responseBodies[2]) { $bodyOfUrl = $responseBodies[0]; $pageChanges = false; } $log->lwrite('Beginning testing of forms'); for ($i = 0; $i < sizeof($arrayOfForms); $i++) { $currentForm = $arrayOfForms[$i]; $currentFormId = $currentForm->getId(); $currentFormName = $currentForm->getName(); $currentFormMethod = $currentForm->getMethod(); $currentFormAction = $currentForm->getAction(); $currentFormNum = $currentForm->getFormNum(); $arrayOfCurrentFormsInputs = array(); $log->lwrite("Beginning testing of form on {$postUrl}: {$currentFormId} {$currentFormName} {$currentFormMethod} {$currentFormAction}"); for ($j = 0; $j < sizeof($arrayOfInputFields); $j++) { $currentInput = $arrayOfInputFields[$j]; $currentInputIdOfForm = $currentInput->getIdOfForm(); $currentInputNameOfForm = $currentInput->getNameOfForm(); $currentInputFormNum = $currentInput->getFormNum(); if ($currentFormNum == $currentInputFormNum) { array_push($arrayOfCurrentFormsInputs, $currentInput); } } $log->lwrite("Beginning testing input fields of form on {$postUrl}: {$currentFormId} {$currentFormName} {$currentFormMethod} {$currentFormAction}"); foreach ($arrayOfPayloads as $currentPayload) { echo '<br>Size of current form inputs = ' . sizeof($arrayOfCurrentFormsInputs) . '<br>'; $arrayOfValues = array(); //Array of PostOrGetObject objects for ($k = 0; $k < sizeof($arrayOfCurrentFormsInputs); $k++) { $currentFormInput = $arrayOfCurrentFormsInputs[$k]; $currentFormInputName = $currentFormInput->getName(); $currentFormInputType = $currentFormInput->getType(); $currentFormInputValue = $currentFormInput->getValue(); if ($currentFormInputType != 'reset') { $log->lwrite("Using payload: {$currentPayload}, to all input fields of form w/ action: {$currentFormAction}"); //Add current input and other inputs to array of post values and set their values if ($currentFormInputType == 'text' || $currentFormInputType == 'password') { $postObject = new PostOrGetObject($currentFormInputName, $currentPayload); array_push($arrayOfValues, $postObject); } else { if ($currentFormInputType == 'checkbox' || $currentFormInputType == 'submit') { $postObject = new PostOrGetObject($currentFormInputName, $currentFormInputValue); array_push($arrayOfValues, $postObject); } else { if ($currentFormInputType == 'radio') { $postObject = new PostOrGetObject($currentFormInputName, $currentFormInputValue); //Check if a radio button in the radio group has already been added $found = false; for ($n = 0; $n < sizeof($arrayOfValues); $n++) { if ($arrayOfValues[$n]->getName() == $postObject->getName()) { $found = true; break; } } if (!$found) { array_push($arrayOfValues, $postObject); } } } } } } if ($currentFormMethod == 'get') { //Build query string and submit it at end of URL if ($urlOfSite[strlen($urlOfSite) - 1] == '/') { $actionUrl = $urlOfSite . $currentFormAction; } else { $actionUrl = $urlOfSite . '/' . $currentFormAction; } $totalTestStr = ''; //Make a string to show the user how the vulnerability was tested for i.e. the data submitted to exploit the vulnerability for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $totalTestStr .= $currentPostValueName; $totalTestStr .= '='; $totalTestStr .= $currentPostValueValue; if ($p != sizeof($arrayOfValues) - 1) { $totalTestStr .= '&'; } } $actionUrl .= '?'; $actionUrl .= $totalTestStr; $error = $http->GetRequestArguments($actionUrl, $arguments); $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$actionUrl}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$actionUrl}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { $http->Close(); $vulnerabilityFound = checkIfVulnerabilityFound($urlToCheck, $pageChanges, $bodyOfUrl, $log, $currentPayload, $http); if ($vulnerabilityFound) { $totalTestStr = ''; //Make a test string to show the user how the vulnerability was tested for for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $totalTestStr .= $currentPostValueName; $totalTestStr .= '='; $totalTestStr .= $currentPostValueValue; if ($p != sizeof($arrayOfValues) - 1) { $totalTestStr .= '&'; } } //The echo's below are for testing the function on its own i.e. requesting this script with your browser echo 'Broken Authentication Present!<br>Query: ' . HtmlSpecialChars($totalTestStr) . '<br>'; echo 'Method: ' . $currentFormMethod . '<br>'; echo 'Url: ' . HtmlSpecialChars($actionUrl) . '<br>'; echo 'Error: Successfully Logged In with SQL injection'; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'basqli' AND method = '{$currentFormMethod}' AND url = '" . addslashes($actionUrl) . "' AND attack_str = '" . addslashes($totalTestStr) . "'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'basqli', $currentFormMethod, addslashes($actionUrl), addslashes($totalTestStr)); } } break; } } } } } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; echo 'Method: ' . $currentFormMethod . '<br>'; echo 'Url: ' . HtmlSpecialChars($actionUrl) . '<br>'; } } else { if ($currentFormMethod == 'post') { //Build query string and submit it at end of URL if ($urlOfSite[strlen($urlOfSite) - 1] == '/') { $actionUrl = $urlOfSite . $currentFormAction; } else { $actionUrl = $urlOfSite . '/' . $currentFormAction; } $error = $http->GetRequestArguments($actionUrl, $arguments); $arguments["RequestMethod"] = "POST"; $arguments["PostValues"] = array(); for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $tempArray = array($currentPostValueName => $currentPostValueValue); $arguments["PostValues"] = array_merge($arguments["PostValues"], $tempArray); } $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$actionUrl}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$actionUrl}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { $http->Close(); $vulnerabilityFound = checkIfVulnerabilityFound($urlToCheck, $pageChanges, $bodyOfUrl, $log, $currentPayload, $http); if ($vulnerabilityFound) { $totalTestStr = ''; //Compile a test string to show the user how the vulnerability was tested for for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $totalTestStr .= $currentPostValueName; $totalTestStr .= '='; $totalTestStr .= $currentPostValueValue; if ($p != sizeof($arrayOfValues) - 1) { $totalTestStr .= '&'; } } //The echo's below are for testing the function on its own i.e. requesting this script with your browser echo 'Broken Authentication Present!<br>Query: ' . HtmlSpecialChars($totalTestStr) . '<br>'; echo 'Method: ' . $currentFormMethod . '<br>'; echo 'Url: ' . HtmlSpecialChars($actionUrl) . '<br>'; echo 'Error: Successfully Logged In with SQL injection'; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'basqli' AND method = '{$currentFormMethod}' AND url = '" . addslashes($actionUrl) . "' AND attack_str = '" . addslashes($totalTestStr) . "'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'basqli', $currentFormMethod, addslashes($actionUrl), addslashes($totalTestStr)); } } break; } } } } } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; echo 'Method: ' . $currentFormMethod . '<br>'; echo 'Url: ' . HtmlSpecialChars($actionUrl) . '<br>'; } } } } } }
function testForReflectedXSS($urlToCheck, $urlOfSite, $testId) { connectToDb($db); updateStatus($db, "Testing {$urlToCheck} for Reflected Cross-Site Scripting...", $testId); $log = new Logger(); $log->lfile('logs/eventlogs'); $log->lwrite("Starting Reflected XXS test function on {$urlToCheck}"); $postUrl = $urlToCheck; $postUrlPath = parse_url($postUrl, PHP_URL_PATH); //Check URL is not responding with 5xx codes $log->lwrite("Checking what response code is received from {$urlToCheck}"); $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); $error = $http->GetRequestArguments($urlToCheck, $arguments); $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$urlToCheck}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$urlToCheck}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $responseCode = $http->response_status; //This is a string $log->lwrite("Received response code: {$responseCode}"); if (intval($responseCode) >= 500 && intval($responseCode) < 600) { $log->lwrite("Response code: {$responseCode} received from: {$urlToCheck}"); return; } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; $log->lwrite("Error: {$error}"); } $html = file_get_html($postUrl, $testId); if (empty($html)) { //This can happen due to file_get_contents returning a 500 code. Then the parser won't parse it $log->lwrite("Problem getting contents from {$urlToCheck}"); return; } //Submit these //If adding string to this array, add a corresponding string (to look for in response), with he same index, in the array below //The response to look for can be the same as the payload or different. $payloads = array('<webvulscan>', 'javascript:alert(webvulscan)'); //Look for these in response after submitting corresponding payload $harmfulResponses = array('<webvulscan>', 'src="javascript:alert(webvulscan)"'); //First check does the URL passed into this function contain parameters and submit payloads as those parameters if it does $parsedUrl = parse_url($urlToCheck); $log->lwrite("Check if {$urlToCheck} contains parameters"); if ($parsedUrl) { if (isset($parsedUrl['query'])) { $log->lwrite("{$urlToCheck} does contain parameters"); $scheme = $parsedUrl['scheme']; $host = $parsedUrl['host']; $path = $parsedUrl['path']; $query = $parsedUrl['query']; parse_str($query, $parameters); $originalQuery = $query; $payloadIndex = 0; foreach ($payloads as $currentPayload) { $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); foreach ($parameters as $para) { $query = $originalQuery; $newQuery = str_replace($para, $currentPayload, $query); $query = $newQuery; $testUrl = $scheme . '://' . $host . $path . '?' . $query; $log->lwrite("URL to be requested is: {$testUrl}"); $error = $http->GetRequestArguments($testUrl, $arguments); $error = $http->Open($arguments); echo "<br>Sending HTTP request to " . htmlspecialchars($testUrl) . "<br>"; if ($error == "") { $log->lwrite("Sending HTTP request to {$testUrl}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { $indicatorStr = $harmfulResponses[$payloadIndex]; if (stripos($body, $indicatorStr)) { echo '<br>Reflected XSS Present!<br>Query: ' . HtmlSpecialChars($urlToCheck) . '<br>'; echo 'Method: GET <br>'; echo 'Url: ' . HtmlSpecialChars($testUrl) . '<br>'; echo 'Error: ' . htmlspecialchars($indicatorStr) . '<br>'; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $sql = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'rxss' AND method = 'get' AND url = '{$testUrl}' AND attack_str = '" . addslashes($query) . "'"; $result = $db->query($sql); if (!$result) { $log->lwrite("Could not execute query {$sql}"); } else { $log->lwrite("Successfully executed query {$sql}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$sql}"); insertTestResult($db, $testId, 'rxss', 'get', $testUrl, addslashes($query)); } } $http->Close(); break 2; } } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; } } $payloadIndex++; } } } else { $log->lwrite("Could not parse malformed URL: {$urlToCheck}"); } //Array containing all form objects found $arrayOfForms = array(); //Array containing all input fields $arrayOfInputFields = array(); $log->lwrite("Searching {$postUrl} for forms"); $formNum = 1; //Must use an integer to identify form as forms could have same names and ids foreach ($html->find('form') as $form) { isset($form->attr['id']) ? $formId = htmlspecialchars($form->attr['id']) : ($formId = ''); isset($form->attr['name']) ? $formName = htmlspecialchars($form->attr['name']) : ($formName = ''); isset($form->attr['method']) ? $formMethod = htmlspecialchars($form->attr['method']) : ($formMethod = 'get'); isset($form->attr['action']) ? $formAction = htmlspecialchars($form->attr['action']) : ($formAction = ''); $formMethod = strtolower($formMethod); //If the action of the form is empty, set the action equal to everything //after the URL that the user entered if (empty($formAction)) { $strLengthUrl = strlen($urlToCheck); $strLengthSite = strlen($urlOfSite); $firstIndexOfSlash = strpos($urlToCheck, '/', $strLengthSite - 1); $formAction = substr($urlToCheck, $firstIndexOfSlash + 1, $strLengthUrl); } $log->lwrite("Found form on {$postUrl}: {$formId} {$formName} {$formMethod} {$formAction} {$formNum}"); $newForm = new Form($formId, $formName, $formMethod, $formAction, $formNum); array_push($arrayOfForms, $newForm); foreach ($form->find('input') as $input) { isset($input->attr['id']) ? $inputId = htmlspecialchars($input->attr['id']) : ($inputId = ''); isset($input->attr['name']) ? $inputName = htmlspecialchars($input->attr['name']) : ($inputName = ''); isset($input->attr['value']) ? $inputValue = htmlspecialchars($input->attr['value']) : ($inputValue = ''); isset($input->attr['type']) ? $inputType = htmlspecialchars($input->attr['type']) : ($inputType = ''); $log->lwrite("Found input field on {$postUrl}: {$inputId} {$inputName} {$formId} {$formName} {$inputValue} {$inputType} {$formNum}"); $inputField = new InputField($inputId, $inputName, $formId, $formName, $inputValue, $inputType, $formNum); array_push($arrayOfInputFields, $inputField); } $formNum++; } //At this stage, we should have captured all forms and their inputs into the corresponding arrays $log->lwrite('Beginning testing of forms'); for ($i = 0; $i < sizeof($arrayOfForms); $i++) { $currentForm = $arrayOfForms[$i]; $currentFormId = $currentForm->getId(); $currentFormName = $currentForm->getName(); $currentFormMethod = $currentForm->getMethod(); $currentFormAction = $currentForm->getAction(); $currentFormNum = $currentForm->getFormNum(); $arrayOfCurrentFormsInputs = array(); $log->lwrite("Beginning testing of form on {$postUrl}: {$currentFormId} {$currentFormName} {$currentFormMethod} {$currentFormAction}"); for ($j = 0; $j < sizeof($arrayOfInputFields); $j++) { $currentInput = $arrayOfInputFields[$j]; $currentInputIdOfForm = $currentInput->getIdOfForm(); $currentInputNameOfForm = $currentInput->getNameOfForm(); $currentInputFormNum = $currentInput->getFormNum(); //Check if the current input field belongs to the current form and add to array if it does if ($currentFormNum == $currentInputFormNum) { array_push($arrayOfCurrentFormsInputs, $currentInput); } } $log->lwrite("Beginning testing input fields of form on {$postUrl}: {$currentFormId} {$currentFormName} {$currentFormMethod} {$currentFormAction}"); for ($k = 0; $k < sizeof($arrayOfCurrentFormsInputs); $k++) { for ($plIndex = 0; $plIndex < sizeof($payloads); $plIndex++) { $testStr = $payloads[$plIndex]; $log->lwrite("Submitting payload: {$testStr}"); $defaultStr = 'Abc123'; $indicatorStr = $harmfulResponses[$plIndex]; $currentFormInput = $arrayOfCurrentFormsInputs[$k]; $currentFormInputName = $currentFormInput->getName(); $currentFormInputType = $currentFormInput->getType(); $currentFormInputValue = $currentFormInput->getValue(); if ($currentFormInputType != 'reset') { $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); $arrayOfValues = array(); //Array of PostOrGetObject objects //Get the other input values and set them equal to the default string $otherInputs = array(); for ($l = 0; $l < sizeof($arrayOfCurrentFormsInputs); $l++) { if ($currentFormInput->getName() != $arrayOfCurrentFormsInputs[$l]->getName()) { array_push($otherInputs, $arrayOfCurrentFormsInputs[$l]); } } $postObject = new PostOrGetObject($currentFormInputName, $testStr); //Add current input and other to array of post values and set their values array_push($arrayOfValues, $postObject); for ($m = 0; $m < sizeof($otherInputs); $m++) { $currentOther = $otherInputs[$m]; $currentOtherType = $currentOther->getType(); $currentOtherName = $currentOther->getName(); $currentOtherValue = $currentOther->getValue(); if ($currentOtherType == 'text' || $currentOtherType == 'password') { $postObject = new PostOrGetObject($currentOtherName, $defaultStr); array_push($arrayOfValues, $postObject); } else { if ($currentOtherType == 'checkbox' || $currentOtherType == 'submit') { $postObject = new PostOrGetObject($currentOtherName, $currentOtherValue); array_push($arrayOfValues, $postObject); } else { if ($currentOtherType == 'radio') { $postObject = new PostOrGetObject($currentOtherName, $currentOtherValue); //Check if a radio button in the radio group has already been added $found = false; for ($n = 0; $n < sizeof($arrayOfValues); $n++) { if ($arrayOfValues[$n]->getName() == $postObject->getName()) { $found = true; break; } } if (!$found) { array_push($arrayOfValues, $postObject); } } } } } echo '<br><br>'; if ($currentFormMethod == 'get') { //Build query string and submit it at end of URL if ($urlOfSite[strlen($urlOfSite) - 1] == '/') { $actionUrl = $urlOfSite . $currentFormAction; } else { $actionUrl = $urlOfSite . '/' . $currentFormAction; } $totalTestStr = ''; //Compile a test string to show the user how the vulnerability was tested for for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $totalTestStr .= $currentPostValueName; $totalTestStr .= '='; $totalTestStr .= $currentPostValueValue; if ($p != sizeof($arrayOfValues) - 1) { $totalTestStr .= '&'; } } if (strpos($actionUrl, '?') !== false) { //url may something like domain.com?id=111 so don't want to add another question mark if it is $actionUrl .= '&'; } else { $actionUrl .= '?'; } $actionUrl .= $totalTestStr; $error = $http->GetRequestArguments($actionUrl, $arguments); $error = $http->Open($arguments); if ($error == "") { $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { if (stripos($body, $indicatorStr)) { //If the body that was returned from the request contains the payload, the //Reflected XSS vulnerabiltiy is present $totalTestStr = ''; //Compile a test string to show the user how the vulnerability was tested for for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $totalTestStr .= $currentPostValueName; $totalTestStr .= '='; $totalTestStr .= $currentPostValueValue; if ($p != sizeof($arrayOfValues) - 1) { $totalTestStr .= '&'; } } //The echo's are for testing/debugging the function on its own echo 'Reflected XSS Present!<br>Query: ' . HtmlSpecialChars($totalTestStr) . '<br>'; echo 'Method: ' . $currentFormMethod . '<br>'; echo 'Url: ' . HtmlSpecialChars($actionUrl) . ''; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'rxss' AND method = '{$currentFormMethod}' AND url = '{$actionUrl}' AND attack_str = '{$totalTestStr}'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'rxss', $currentFormMethod, $actionUrl, $totalTestStr); } } $http->Close(); break; } } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; } } else { if ($currentFormMethod == 'post') { //Start sending requests with the values in the post values array //Build query string and submit it at end of URL if ($urlOfSite[strlen($urlOfSite) - 1] == '/') { $actionUrl = $urlOfSite . $currentFormAction; } else { $actionUrl = $urlOfSite . '/' . $currentFormAction; } $error = $http->GetRequestArguments($actionUrl, $arguments); $arguments["RequestMethod"] = "POST"; $arguments["PostValues"] = array(); for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $tempArray = array($currentPostValueName => $currentPostValueValue); $arguments["PostValues"] = array_merge($arguments["PostValues"], $tempArray); } $error = $http->Open($arguments); if ($error == "") { $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { //echo $body; if (stripos($body, $indicatorStr)) { //If the body that was returned from the request contains the test string, the //Reflected XSS vulnerabiltiy is present $totalTestStr = ''; //Compile a test string to show the user how the vulnerability was tested for for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $totalTestStr .= $currentPostValueName; $totalTestStr .= '='; $totalTestStr .= $currentPostValueValue; if ($p != sizeof($arrayOfValues) - 1) { $totalTestStr .= '&'; } } //The echo's are for testing/debugging the function on its own echo 'Reflected XSS Present!<br>Query: ' . HtmlSpecialChars($totalTestStr) . '<br>'; echo 'Method: ' . $currentFormMethod . '<br>'; echo 'Url: ' . HtmlSpecialChars($actionUrl) . ''; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'rxss' AND method = '{$currentFormMethod}' AND url = '{$actionUrl}' AND attack_str = '{$totalTestStr}'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'rxss', $currentFormMethod, $actionUrl, $totalTestStr); } } $http->Close(); break; } } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; } } } } } } } }
function testDirectoryListingEnabled($urlToScan, $siteBeingTested, $testId, $crawlUrlFlag) { connectToDb($db); updateStatus($db, "Testing for {$urlToScan} for Directory Listing enabled...", $testId); $log = new Logger(); $log->lfile('logs/eventlogs'); $log->lwrite("Testing for {$urlToScan} for Directory Listing enabled"); if ($crawlUrlFlag) { //Perform crawl again but allow images, etc. this time to capture every URL $crawlerNew =& new MyCrawler(); $crawlerNew->setURL($urlToScan); $crawlerNew->setTestId($testId); $crawlerNew->addReceiveContentType("/text\\/html/"); $crawlerNew->setCookieHandling(true); $crawlerNew->setFollowMode(3); $log->lwrite("Crawling {$urlToScan} again for all links including images, css, etc, in order to identify directories"); $crawlerNew->go(); $urlsFound = $crawlerNew->urlsFound; $logStr = sizeof($urlsFound) . ' URLs found for test: ' . $testId; $log->lwrite("All URLs found during crawl for directory listing check:"); foreach ($urlsFound as $currentUrl) { $log->lwrite($currentUrl); } $relativePathUrls = array(); foreach ($urlsFound as $currentUrl) { $currentUrl = str_replace($urlToScan, '', $currentUrl); array_push($relativePathUrls, $currentUrl); } $directories = array(); //Check if relative path contain a directory and if they do, add it to a list of directories foreach ($relativePathUrls as $relativePathUrl) { if (dirname($relativePathUrl) != '.') { $dir = dirname($relativePathUrl); if (!in_array($dir, $directories) && !empty($dir) && !strpos($dir, '?')) { array_push($directories, $dir); $log->lwrite("Found directory {$dir}"); } } } } else { $directories = array(1); } //Just need to make an array of size one so the for loop below iterates once $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); //Regular expressions that will indicate directory listing is enabled $regexs = array("/Parent Directory/", "/\\bDirectory Listing\\b.*(Tomcat|Apache)/", "/Parent directory/", "/\\bDirectory\\b/", "/[\\s<]+IMG\\s*=/"); //General foreach ($directories as $directory) { if ($crawlUrlFlag) { $testUrl = $urlToScan . $directory . '/'; } else { $testUrl = $siteBeingTested; } $error = $http->GetRequestArguments($testUrl, $arguments); $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$testUrl}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$testUrl}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $responseCode = $http->response_status; //This is a string $log->lwrite("Received response code: {$responseCode}"); if (intval($responseCode) >= 200 && intval($responseCode) < 300) { $vulnerabilityFound = false; $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { $indicatorStr = ''; if (preg_match($regexs[0], $body)) { $vulnerabilityFound = true; $indicatorStr = $regexs[0]; } else { if (preg_match($regexs[1], $body)) { $vulnerabilityFound = true; $indicatorStr = $regexs[1]; } else { if (preg_match($regexs[2], $body)) { $vulnerabilityFound = true; $indicatorStr = $regexs[2]; } else { if (preg_match($regexs[3], $body)) { if (preg_match($regexs[4], $body)) { $vulnerabilityFound = true; $indicatorStr = $regexs[3] . ' and ' . $regexs[4]; } } } } } if ($vulnerabilityFound) { //The echo's are for testing function on its own echo '<br>Directory Listing Enabled!<br>Url: ' . $testUrl . '<br>'; echo 'Method: GET <br>'; echo 'Url Requested: ' . $testUrl . '<br>'; echo "Error: Received response code: {$responseCode} after requesting a directory and regular expression: {$indicatorStr}<br>"; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'dirlist' AND method = 'get' AND url = '{$testUrl}' AND attack_str = '{$testUrl}'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'dirlist', 'get', $testUrl, $testUrl); } } } } } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; $log->lwrite("Error: {$error}"); } } }
function testHttpBannerDisclosure($urlToCheck, $testId) { connectToDb($db); updateStatus($db, "Testing {$urlToCheck} for HTTP Banner Disclosure...", $testId); $log = new Logger(); $log->lfile('logs/eventlogs'); $log->lwrite("Starting HTTP Banner Disclosure test function on {$urlToCheck}"); $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); $error = $http->GetRequestArguments($urlToCheck, $arguments); $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$urlToCheck}"); //TODO: add more to these arrays $serverHeaders = array('Apache', 'Win32', 'mod_ssl', 'OpenSSL', 'PHP', 'mod_perl', 'Perl', 'Ubuntu', 'Python', 'mod_python', 'Microsoft', 'IIS', 'Unix', 'Linux'); $xPowByHeaders = array('PHP', 'ASP', 'NET', 'JSP', 'JBoss', 'Perl', 'Python'); if ($error == "") { $log->lwrite("Sending HTTP request to {$urlToCheck}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { if (isset($headers['server'])) { $serverHeader = $headers['server']; foreach ($serverHeaders as $currentHeader) { if (stripos($serverHeader, $currentHeader) !== false) { echo "<br>Found {$currentHeader} in {$serverHeader}"; echo '<br>HTTP Banner Disclosure Present!<br>Url: ' . $urlToCheck . '<br>'; echo 'Method: GET <br>'; echo 'Url Requested: ' . $urlToCheck . '<br>'; echo 'Info Disclosed: Server: ' . $serverHeader . '<br>'; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'bannerdis' AND method = 'get' AND url = '{$urlToCheck}' AND attack_str = '{$serverHeader}'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'bannerdis', 'get', $urlToCheck, $serverHeader); } } break; } } } else { $log->lwrite("Server header for {$urlToCheck} is empty"); echo "Server header for {$urlToCheck} is empty<br>"; } if (isset($headers['x-powered-by'])) { $xPowByHeader = $headers['x-powered-by']; foreach ($xPowByHeaders as $currentHeader) { if (stripos($xPowByHeader, $currentHeader) !== false) { //The echo's here are for testing/debugging the function on its own echo "<br>Found {$currentHeader} in {$xPowByHeader} "; echo '<br>HTTP Banner Disclosure Present!<br>Url: ' . $urlToCheck . '<br>'; echo 'Method: GET <br>'; echo 'Url Requested: ' . $urlToCheck . '<br>'; echo 'Info Disclosed: X-Powered-by: ' . $xPowByHeader . '<br>'; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'bannerdis' AND method = 'get' AND url = '{$urlToCheck}' AND attack_str = '{$xPowByHeader}'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'bannerdis', 'get', $urlToCheck, $xPowByHeader); } } break; } } } else { $log->lwrite("X-Powered-by header for {$urlToCheck} is empty"); echo "X-Powered-by header for {$urlToCheck} is empty<br>"; } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; $log->lwrite("Error: {$error}"); } }
function testSslCertificate($urlsToTest, $testId) { connectToDb($db); updateStatus($db, "Testing {$urlsToTest} for untrustworthy SSL certificates...", $testId); $log = new Logger(); $log->lfile('logs/eventlogs'); $log->lwrite("Starting SSL certificate verification function on {$urlsToTest}"); //Identify which URLs, if any, begin with https $log->lwrite("Identifying which URLs, if any, begin with HTTPS"); updateStatus($db, "Identifying which URLs, if any, begin with HTTPS...", $testId); $usingHttps = false; $httpsUrl = ''; foreach ($urlsToTest as $currentUrl) { if (substr($currentUrl, 0, 5) == 'https') { $usingHttps = true; $httpsUrl = $currentUrl; echo "https url = {$currentUrl} <br>"; $log->lwrite("Found HTTPS URL: {$currentUrl}"); break; } } if ($usingHttps) { //Check if Mozilla's cacert.pem file is online and update our version of it if needed $log->lwrite("Checking if cacert.pem is up to date"); $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $cacertsUrl = "http://curl.haxx.se/ca/cacert.pem"; $error = $http->GetRequestArguments($cacertsUrl, $arguments); $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$cacertsUrl}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$cacertsUrl}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $responseCode = $http->response_status; //This is a string $log->lwrite("Received response code: {$responseCode}"); if (intval($responseCode) == 200) { //Update cacerts.pem file $cacerts = file_get_contents($cacertsUrl); $oldCacerts = file_get_contents('tests/cacert.pem'); if ($cacerts != $oldCacerts) { file_put_contents('tests/cacert.pem', $cacerts); $log->lwrite("cacert.pem file updated"); } else { $log->lwrite("cacert.pem is already up to date so was not updated"); } } else { $log->lwrite("Problem accessing Mozilla's URL containing cacert.pem file"); } } } } // Initialize session and set URL. $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $httpsUrl); // Set so curl_exec returns the result instead of outputting it. curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; curl_setopt($ch, CURLOPT_USERAGENT, $user_agent); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); //Check server's certificate against certificates specified in .pem file below curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); //If last parameter is 1, checks the SSL certificate for a comman name (the domain of the site sometimes specified in the certificate), e.g. the site that acquired the certificate //If last parameter is 2, checks for the common name and, if it exists, checks that it matches the hostname provided //Default is 2 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); //Using Mozillas certificate file with trusted certificates curl_setopt($ch, CURLOPT_CAINFO, getcwd() . "/cacert.pem"); // Get the response and close the channel. $response = curl_exec($ch); if ($db) { incrementHttpRequests($db, $testId); } if (empty($response)) { //The echo's here are for testing/debugging the function on its own echo '<br>SSL Certificate is not trusted!<br>Url: ' . $httpsUrl . '<br>'; echo 'Method: GET <br>'; //echo 'Url Requested: ' . $testUrl . '<br>'; echo 'Error: ' . curl_error($ch) . '<br>'; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'sslcert' AND method = 'get' AND url = '{$httpsUrl}' AND attack_str = '{$httpsUrl}'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'sslcert', 'get', $httpsUrl, $httpsUrl); } } } curl_close($ch); } }
function testAutoComplete($urlToCheck, $testId) { connectToDb($db); updateStatus($db, "Testing {$urlToCheck} for autocomplete enabled ...", $testId); $log = new Logger(); $log->lfile('logs/eventlogs'); $log->lwrite("Starting autocomplete test function on {$urlToCheck}"); //Array containing all input fields $arrayOfInputFields = array(); $log->lwrite("Searching {$urlToCheck} for input fields"); //Check URL is not responding with 5xx codes $log->lwrite("Checking what response code is received from {$urlToCheck}"); $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); $error = $http->GetRequestArguments($urlToCheck, $arguments); $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$urlToCheck}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$urlToCheck}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $responseCode = $http->response_status; //This is a string $log->lwrite("Received response code: {$responseCode}"); if (intval($responseCode) >= 500 && intval($responseCode) < 600) { $log->lwrite("Response code: {$responseCode} received from: {$urlToCheck}"); return; } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; $log->lwrite("Error: {$error}"); } $html = file_get_html($urlToCheck, $testId); if (empty($html)) { //This can happen due to file_get_contents returning a 500 code. Then the parser won't parse it updateStatus($db, "Problem getting contents from {$urlToCheck}...", $testId); $log->lwrite("Problem getting contents from {$urlToCheck}"); return; } foreach ($html->find('input') as $input) { $vulnerabilityFound = false; if (isset($input->attr['type'])) { $inputType = $input->attr['type']; if ($inputType == 'password') { if (isset($input->attr['autocomplete'])) { $inputAutoComplete = $input->attr['autocomplete']; if (strcasecmp($inputAutoComplete, 'off') != 0) { $vulnerabilityFound = true; } } else { $vulnerabilityFound = true; } if ($vulnerabilityFound) { $inputName = $input->attr['name']; echo 'Autocomplete enabled!<br>'; echo 'Method: get <br>'; echo 'Url: $urlToCheck<br>'; echo "Error: Input field with name: {$inputName} is of type: password and does not have autocomplete disabled"; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'autoc' AND method = 'get' AND url = '{$urlToCheck}' AND attack_str = '{$inputName}'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'autoc', 'get', $urlToCheck, $inputName); } } } } } } }
function testUnvalidatedRedirects($arrayOfUrls, $testId) { connectToDb($db); updateStatus($db, "Testing all URLs for Unvalidated Redirects...", $testId); $log = new Logger(); $log->lfile('logs/eventlogs'); $log->lwrite("Starting Unvalidated Redirects test function on all URLs"); $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 0; $http->setTestId($testId); //Identify which URLs, if any, cause redirects $log->lwrite("Identifying which URLs, if any, cause redirects"); updateStatus($db, "Identifying which URLs, if any, cause redirects...", $testId); $potentiallyVulnUrls = array(); foreach ($arrayOfUrls as $currentUrl) { $error = $http->GetRequestArguments($currentUrl, $arguments); $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$currentUrl}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$currentUrl}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $responseCode = $http->response_status; //This is a string $log->lwrite("Received response code: {$responseCode}"); if (intval($responseCode) >= 300 && intval($responseCode) < 400) { array_push($potentiallyVulnUrls, $currentUrl); } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; $log->lwrite("Error: {$error}"); } } $log->lwrite("Potentially Vulnerable URLs:"); foreach ($potentiallyVulnUrls as $currentUrl) { $log->lwrite("{$currentUrl}"); } updateStatus($db, "Beginning testing each potentially vulnerable URL for unvalidated redirects ...", $testId); $redirectDomain = 'www.whatismyip.com'; foreach ($potentiallyVulnUrls as $currentUrl) { updateStatus($db, "Testing {$currentUrl} for Unvalidated Redirects...", $testId); $log->lwrite("Testing {$currentUrl} for unvalidated redirects"); echo "<br>Testing: {$currentUrl} <br>"; $parsedUrl = parse_url($currentUrl); $query = $parsedUrl['query']; $parameters = array(); parse_str($query, $parameters); $newQuery = ''; $query = urldecode($query); $originalQuery = $query; if ($parsedUrl) { foreach ($parameters as $para) { $query = $originalQuery; if (stripos($para, 'http') || stripos($para, 'www')) { if (stripos($para, 'http') === 0) { $newRedirectDomain = 'http://' . $redirectDomain; $newQuery = str_replace($para, $newRedirectDomain, $query); $query = $newQuery; $newRedirectDomain = ''; } else { if (stripos($para, 'www') === 0 && !strpos($para, 'http') === 0) { $newQuery = str_replace($para, $redirectDomain, $query); $query = $newQuery; } } } else { $newRedirectDomain = 'http://' . $redirectDomain; $newQuery = str_replace($para, $newRedirectDomain, $query); $query = $newQuery; $newRedirectDomain = ''; } $scheme = $parsedUrl['scheme']; $host = $parsedUrl['host']; $path = $parsedUrl['path']; $testUrl = $scheme . '://' . $host . $path . '?' . $newQuery; $log->lwrite("URL to be requested is: {$testUrl}"); $error = $http->GetRequestArguments($testUrl, $arguments); $error = $http->Open($arguments); if ($error == "") { $log->lwrite("Sending HTTP request to {$testUrl}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { //Check if the location in the HTTP response is the URL added as a parameter //If it is this would cause the browser to redirect to the parameter, therefore the vulnerability is present echo 'Location header is ' . $headers['location'] . '<br>'; $redirectTarget = $headers['location']; if (strpos($redirectTarget, $redirectDomain) || $redirectTarget == $redirectDomain) { //The echo's here are for testing/debugging the function on its own echo '<br>Unvalidated Redirects Present!<br>Url: ' . $currentUrl . '<br>'; echo 'Method: GET <br>'; echo 'Url Requested: ' . $testUrl . '<br>'; echo 'Error: Successfully Redirected to www.whatsmyip.com<br>'; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'unredir' AND method = 'get' AND url = '{$currentUrl}' AND attack_str = '{$testUrl}'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'unredir', 'get', $currentUrl, $testUrl); } } $http->Close(); break; } } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; } } } else { $log->lwrite("Could not parse malformed URL: {$currentUrl}"); } } }
function testForSQLi($urlToCheck, $urlOfSite, $testId) { connectToDb($db); updateStatus($db, "Testing {$urlToCheck} for SQL Injection...", $testId); $log = new Logger(); $log->lfile('logs/eventlogs'); $log->lwrite("Starting SQL Injection test function on {$urlToCheck}"); $postUrl = $urlToCheck; $postUrlPath = parse_url($postUrl, PHP_URL_PATH); //Check URL is not responding with 5xx codes $log->lwrite("Checking what response code is received from {$urlToCheck}"); $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); $error = $http->GetRequestArguments($urlToCheck, $arguments); $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$urlToCheck}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$urlToCheck}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $responseCode = $http->response_status; //This is a string $log->lwrite("Received response code: {$responseCode}"); if (intval($responseCode) >= 500 && intval($responseCode) < 600) { $log->lwrite("Response code: {$responseCode} received from: {$urlToCheck}"); return; } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; $log->lwrite("Error: {$error}"); } $html = file_get_html($postUrl, $testId); if (empty($html)) { //This can happen due to file_get_contents returning a 500 code. Then the parser won't parse it updateStatus($db, "Problem getting contents from {$urlToCheck}...", $testId); $log->lwrite("Problem getting contents from {$urlToCheck}"); return; } $log->lwrite("Successfully got contents from {$urlToCheck}"); //Defintion of all payloads used and warnings to examine for $arrayOfPayloads = array("'", '"', ';', ')', '(', '.', '--'); //specified in webfuzz library (lib.webfuzz.js) from WebSecurify //From lib.webfuzz, some added by myself //The function checks for these errors after a payload is submitted $arrayOfSQLWarnings = array("supplied argument is not a valid MySQL", "mysql_fetch_array\\(\\)", "on MySQL result index", "You have an error in your SQL syntax;", "You have an error in your SQL syntax near", "MySQL server version for the right syntax to use", "\\[MySQL\\]\\[ODBC", "Column count doesn't match", "the used select statements have different number of columns", "Table '[^']+' doesn't exist", "DB Error: unknown error", ":[\\s]*mysql", "mysql_fetch", "System\\.Data\\.OleDb\\.OleDbException", "\\[SQL Server\\]", "\\[Microsoft\\]\\[ODBC SQL Server Driver\\]", "\\[SQLServer JDBC Driver\\]", "\\[SqlException", "System.Data.SqlClient.SqlException", "Unclosed quotation mark after the character string", "'80040e14'", "mssql_query\\(\\)", "odbc_exec\\(\\)", "Microsoft OLE DB Provider for ODBC Drivers", "Microsoft OLE DB Provider for SQL Server", "Incorrect syntax near", "Syntax error in string in query expression", "ADODB\\.Field \\(0x800A0BCD\\)<br>", "Procedure '[^']+' requires parameter '[^']+'", "ADODB\\.Recordset'", "Microsoft SQL Native Client error", "Unclosed quotation mark after the character string", "SQLCODE", "DB2 SQL error:", "SQLSTATE", "Sybase message:", "Syntax error in query expression", "Data type mismatch in criteria expression.", "Microsoft JET Database Engine", "\\[Microsoft\\]\\[ODBC Microsoft Access Driver\\]", "(PLS|ORA)-[0-9][0-9][0-9][0-9]", "PostgreSQL query failed:", "supplied argument is not a valid PostgreSQL result", "pg_query\\(\\) \\[:", "pg_exec\\(\\) \\[:", "com\\.informix\\.jdbc", "Dynamic Page Generation Error:", "Dynamic SQL Error", "\\[DM_QUERY_E_SYNTAX\\]", "has occurred in the vicinity of:", "A Parser Error \\(syntax error\\)", "java\\.sql\\.SQLException", "\\[Macromedia\\]\\[SQLServer JDBC Driver\\]"); //First check does the URL passed into this function contain parameters and submit payloads as those parameters if it does $parsedUrl = parse_url($urlToCheck); $log->lwrite("Check if {$urlToCheck} contains parameters"); if ($parsedUrl) { if (isset($parsedUrl['query'])) { $log->lwrite("{$urlToCheck} does contain parameters"); $scheme = $parsedUrl['scheme']; $host = $parsedUrl['host']; $path = $parsedUrl['path']; $query = $parsedUrl['query']; parse_str($query, $parameters); $originalQuery = $query; foreach ($arrayOfPayloads as $currentPayload) { $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); foreach ($parameters as $para) { $query = $originalQuery; $newQuery = str_replace($para, $currentPayload, $query); $query = $newQuery; $testUrl = $scheme . '://' . $host . $path . '?' . $query; $log->lwrite("URL to be requested is: {$testUrl}"); $error = $http->GetRequestArguments($testUrl, $arguments); $error = $http->Open($arguments); if ($error == "") { $log->lwrite("Sending HTTP request to {$testUrl}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { $vulnerabilityFound = false; for ($warningIndex = 0; $warningIndex < sizeof($arrayOfSQLWarnings); $warningIndex++) { $regularExpression = "/{$arrayOfSQLWarnings[$warningIndex]}/"; if (preg_match($regularExpression, $body)) { $log->lwrite("Found regular expression: {$regularExpression}, in body of HTTP response"); $vulnerabilityFound = true; break; } } if ($vulnerabilityFound) { echo '<br>SQL Injection Present!<br>Query: ' . HtmlSpecialChars($urlToCheck) . '<br>'; echo 'Method: GET <br>'; echo 'Url: ' . HtmlSpecialChars($testUrl) . '<br>'; echo 'Error: ' . $regularExpression . '<br>'; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $sql = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'sqli' AND method = 'get' AND url = '" . addslashes($testUrl) . "' AND attack_str = '" . addslashes($query) . "'"; $result = $db->query($sql); if (!$result) { $log->lwrite("Could not execute query {$sql}"); } else { $log->lwrite("Successfully executed query {$sql}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$sql}"); insertTestResult($db, $testId, 'sqli', 'get', addslashes($testUrl), addslashes($query)); } $result->free(); } $http->Close(); break 2; } } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; } } } } } else { $log->lwrite("Could not parse malformed URL: {$urlToCheck}"); } //Array containing all form objects found $arrayOfForms = array(); //Array containing all input fields $arrayOfInputFields = array(); $log->lwrite("Searching {$postUrl} for forms"); $formNum = 1; //Must use an integer to identify form as forms could have same names and ids foreach ($html->find('form') as $form) { isset($form->attr['id']) ? $formId = htmlspecialchars($form->attr['id']) : ($formId = ''); isset($form->attr['name']) ? $formName = htmlspecialchars($form->attr['name']) : ($formName = ''); isset($form->attr['method']) ? $formMethod = htmlspecialchars($form->attr['method']) : ($formMethod = 'get'); isset($form->attr['action']) ? $formAction = htmlspecialchars($form->attr['action']) : ($formAction = ''); $formMethod = strtolower($formMethod); //If the action of the form is empty, set the action equal to everything //after the URL that the user entered if (empty($formAction)) { $strLengthUrl = strlen($urlToCheck); $strLengthSite = strlen($urlOfSite); $firstIndexOfSlash = strpos($urlToCheck, '/', $strLengthSite - 1); $formAction = substr($urlToCheck, $firstIndexOfSlash + 1, $strLengthUrl); } $log->lwrite("Found form on {$postUrl}: {$formId} {$formName} {$formMethod} {$formAction} {$formNum}"); $newForm = new Form($formId, $formName, $formMethod, $formAction, $formNum); array_push($arrayOfForms, $newForm); foreach ($form->find('input') as $input) { isset($input->attr['id']) ? $inputId = htmlspecialchars($input->attr['id']) : ($inputId = ''); isset($input->attr['name']) ? $inputName = htmlspecialchars($input->attr['name']) : ($inputName = ''); isset($input->attr['value']) ? $inputValue = htmlspecialchars($input->attr['value']) : ($inputValue = ''); isset($input->attr['type']) ? $inputType = htmlspecialchars($input->attr['type']) : ($inputType = ''); $log->lwrite("Found input field on {$postUrl}: {$inputId} {$inputName} {$formId} {$formName} {$inputValue} {$inputType} {$formNum}"); $inputField = new InputField($inputId, $inputName, $formId, $formName, $inputValue, $inputType, $formNum); array_push($arrayOfInputFields, $inputField); } $formNum++; } //Begin testing each of the forms $log->lwrite('Beginning testing of forms'); for ($i = 0; $i < sizeof($arrayOfForms); $i++) { $currentForm = $arrayOfForms[$i]; $currentFormId = $currentForm->getId(); $currentFormName = $currentForm->getName(); $currentFormMethod = $currentForm->getMethod(); $currentFormAction = $currentForm->getAction(); $currentFormNum = $currentForm->getFormNum(); $arrayOfCurrentFormsInputs = array(); $log->lwrite("Beginning testing of form on {$postUrl}: {$currentFormId} {$currentFormName} {$currentFormMethod} {$currentFormAction}"); echo sizeof($arrayOfInputFields) . "<br>"; for ($j = 0; $j < sizeof($arrayOfInputFields); $j++) { $currentInput = $arrayOfInputFields[$j]; $currentInputIdOfForm = $currentInput->getIdOfForm(); $currentInputNameOfForm = $currentInput->getNameOfForm(); $currentInputFormNum = $currentInput->getFormNum(); //Check if the current input field belongs to the current form and add to array if it does if ($currentFormNum == $currentInputFormNum) { array_push($arrayOfCurrentFormsInputs, $currentInput); } } $log->lwrite("Beginning testing input fields of form on {$postUrl}: {$currentFormId} {$currentFormName} {$currentFormMethod} {$currentFormAction}"); for ($k = 0; $k < sizeof($arrayOfCurrentFormsInputs); $k++) { echo sizeof($arrayOfCurrentFormsInputs) . '<br>'; for ($plIndex = 0; $plIndex < sizeof($arrayOfPayloads); $plIndex++) { $currentFormInput = $arrayOfCurrentFormsInputs[$k]; $currentFormInputName = $currentFormInput->getName(); $currentFormInputType = $currentFormInput->getType(); $currentFormInputValue = $currentFormInput->getValue(); if ($currentFormInputType != 'reset') { $http = new http_class(); $http->timeout = 0; $http->data_timeout = 0; //$http->debug=1; $http->user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"; $http->follow_redirect = 1; $http->redirection_limit = 5; $http->setTestId($testId); $defaultStr = 'Abc123'; $arrayOfValues = array(); //Array of PostOrGetObject objects //Get the other input values and set them equal to the default string $otherInputs = array(); for ($l = 0; $l < sizeof($arrayOfCurrentFormsInputs); $l++) { if ($currentFormInput->getName() != $arrayOfCurrentFormsInputs[$l]->getName()) { array_push($otherInputs, $arrayOfCurrentFormsInputs[$l]); } } $postObject = new PostOrGetObject($currentFormInputName, $arrayOfPayloads[$plIndex]); $log->lwrite("Submitting payload: {$arrayOfPayloads[$plIndex]}, to input field: {$currentFormInputName}"); //Add current input and other to array of post values and set their values array_push($arrayOfValues, $postObject); for ($m = 0; $m < sizeof($otherInputs); $m++) { $currentOther = $otherInputs[$m]; $currentOtherType = $currentOther->getType(); $currentOtherName = $currentOther->getName(); $currentOtherValue = $currentOther->getValue(); if ($currentOtherType == 'text' || $currentOtherType == 'password') { $postObject = new PostOrGetObject($currentOtherName, $defaultStr); array_push($arrayOfValues, $postObject); } else { if ($currentOtherType == 'checkbox' || $currentOtherType == 'submit') { $postObject = new PostOrGetObject($currentOtherName, $currentOtherValue); array_push($arrayOfValues, $postObject); } else { if ($currentOtherType == 'radio') { $postObject = new PostOrGetObject($currentOtherName, $currentOtherValue); //Check if a radio button in the radio group has already been added $found = false; for ($n = 0; $n < sizeof($arrayOfValues); $n++) { if ($arrayOfValues[$n]->getName() == $postObject->getName()) { $found = true; break; } } if (!$found) { array_push($arrayOfValues, $postObject); } } } } } echo '<br><br>'; if ($currentFormMethod == 'get') { //Build query string and submit it at end of URL if ($urlOfSite[strlen($urlOfSite) - 1] == '/') { $actionUrl = $urlOfSite . $currentFormAction; } else { $actionUrl = $urlOfSite . '/' . $currentFormAction; } $totalTestStr = ''; //Compile a test string to show the user how the vulnerability was tested for for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $totalTestStr .= $currentPostValueName; $totalTestStr .= '='; $totalTestStr .= $currentPostValueValue; if ($p != sizeof($arrayOfValues) - 1) { $totalTestStr .= '&'; } } if (strpos($actionUrl, '?') !== false) { //url may be something like domain.com?id=111 so don't want to add another question mark if it is $actionUrl .= '&'; } else { $actionUrl .= '?'; } $actionUrl .= $totalTestStr; $error = $http->GetRequestArguments($actionUrl, $arguments); $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$actionUrl}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$actionUrl}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { $vulnerabilityFound = false; for ($warningIndex = 0; $warningIndex < sizeof($arrayOfSQLWarnings); $warningIndex++) { $regularExpression = "/{$arrayOfSQLWarnings[$warningIndex]}/"; if (preg_match($regularExpression, $body)) { $log->lwrite("Found regular expression: {$regularExpression}, in body of HTTP response"); $vulnerabilityFound = true; break; } } if ($vulnerabilityFound) { //If the body returned from the request contains ones of the errors, the //SQL Injection vulnerabiltiy is present $totalTestStr = ''; //Compile a test string to show the user how the vulnerability was tested for for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $totalTestStr .= $currentPostValueName; $totalTestStr .= '='; $totalTestStr .= $currentPostValueValue; if ($p != sizeof($arrayOfValues) - 1) { $totalTestStr .= '&'; } } $currentFormMethod = strtolower($currentFormMethod); echo 'SQL Injection Present!<br>Query: ' . HtmlSpecialChars($totalTestStr) . '<br>'; echo 'Method: ' . $currentFormMethod . '<br>'; echo 'Url: ' . HtmlSpecialChars($actionUrl) . '<br>'; echo 'Error: ' . $regularExpression . ''; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'sqli' AND method = '{$currentFormMethod}' AND url = '" . addslashes($actionUrl) . "' AND attack_str = '" . addslashes($totalTestStr) . "'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'sqli', $currentFormMethod, addslashes($actionUrl), addslashes($totalTestStr)); } $result->free(); } $http->Close(); break; } } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; } } else { if ($currentFormMethod == 'post') { //Start sending requests with the values in the post values array //Build query string and submit it at end of URL if ($urlOfSite[strlen($urlOfSite) - 1] == '/') { $actionUrl = $urlOfSite . $currentFormAction; } else { $actionUrl = $urlOfSite . '/' . $currentFormAction; } $error = $http->GetRequestArguments($actionUrl, $arguments); $arguments["RequestMethod"] = "POST"; $arguments["PostValues"] = array(); for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $tempArray = array($currentPostValueName => $currentPostValueValue); $arguments["PostValues"] = array_merge($arguments["PostValues"], $tempArray); } $error = $http->Open($arguments); $log->lwrite("URL to be requested is: {$actionUrl}"); if ($error == "") { $log->lwrite("Sending HTTP request to {$actionUrl}"); $error = $http->SendRequest($arguments); if ($error == "") { $headers = array(); $error = $http->ReadReplyHeaders($headers); if ($error == "") { $error = $http->ReadWholeReplyBody($body); if (strlen($error) == 0) { $vulnerabilityFound = false; for ($warningIndex = 0; $warningIndex < sizeof($arrayOfSQLWarnings); $warningIndex++) { $regularExpression = "/{$arrayOfSQLWarnings[$warningIndex]}/"; if (preg_match($regularExpression, $body)) { $log->lwrite("Found regular expression: {$regularExpression}, in body of HTTP response"); $vulnerabilityFound = true; break; } } if ($vulnerabilityFound) { //If the body returned from the request contains one of the errors specified, the //SQL Injection vulnerabiltiy is present $totalTestStr = ''; //Compile a test string to show the user how the vulnerability was tested for for ($p = 0; $p < sizeof($arrayOfValues); $p++) { $currentPostValue = $arrayOfValues[$p]; $currentPostValueName = $currentPostValue->getName(); $currentPostValueValue = $currentPostValue->getValue(); $totalTestStr .= $currentPostValueName; $totalTestStr .= '='; $totalTestStr .= $currentPostValueValue; if ($p != sizeof($arrayOfValues) - 1) { $totalTestStr .= '&'; } } $currentFormMethod = strtolower($currentFormMethod); echo 'SQL Injection Present!<br>Query: ' . HtmlSpecialChars($totalTestStr) . '<br>'; echo 'Method: ' . $currentFormMethod . '<br>'; echo 'Url: ' . HtmlSpecialChars($actionUrl) . '<br>'; echo 'Error: ' . $regularExpression . ''; $tableName = 'test' . $testId; //Check if this vulnerability has already been found and added to DB. If it hasn't, add it to DB. $query = "SELECT * FROM test_results WHERE test_id = {$testId} AND type = 'sqli' AND method = '{$currentFormMethod}' AND url = '{$actionUrl}' AND attack_str = '" . addslashes($totalTestStr) . "'"; $result = $db->query($query); if (!$result) { $log->lwrite("Could not execute query {$query}"); } else { $log->lwrite("Successfully executed query {$query}"); $numRows = $result->num_rows; if ($numRows == 0) { $log->lwrite("Number of rows is {$numRows} for query: {$query}"); insertTestResult($db, $testId, 'sqli', $currentFormMethod, $actionUrl, addslashes($totalTestStr)); } $result->free(); } $http->Close(); break; } } } } $http->Close(); } if (strlen($error)) { echo "<H2 align=\"center\">Error: ", $error, "</H2>\n"; } } } } } } } }