SourceCodester Online Student File Management System SQL Injection Vulnerability

A SQL injection vulnerability has been identified in SourceCodester Online Student File Management System version 1.0. The issue resides in the '/admin/update_student.php' file, where the 'stud_id' parameter is manipulated, allowing attackers to inject malicious SQL queries. This vulnerability can be exploited remotely, leading to unauthorized database access, data modification or deletion, and exposure of sensitive information.

Impact

Exploitation of this vulnerability allows for SQL injection, which can be used to access the database unauthorizedly, manipulate or delete data, and disrupt services.

Reproduction

To reproduce this vulnerability, send a POST request to '/admin/update_student.php' with the 'stud_id' parameter. Inject a malicious SQL payload that exploits the application's SQL query handling. The injection can be verified by observing the application's response or by using a tool like SQLMap to automate the exploitation process.

Remediation

It is recommended to use prepared statements and parameter binding to prevent SQL injection, validate and filter user input, minimize database user permissions, and conduct regular security audits.