SourceCodester Online Student Result System SQL Injection Vulnerability in Login.php

A critical SQL injection vulnerability has been identified in SourceCodester Online Student Result System version 1.0. The issue resides in the login.php file, where insufficient validation of the 'username' parameter allows attackers to inject malicious SQL queries. This vulnerability can be exploited remotely, without any authentication, potentially leading to unauthorized database access, data manipulation, and exposure of sensitive information.

Impact

Exploitation of this vulnerability allows for SQL injection, which could lead to unauthorized database access, data modification or deletion, and access to sensitive information.

Reproduction

The vulnerability can be reproduced by sending a POST request to the login.php file with a crafted 'username' parameter that includes malicious SQL code. This can be done using tools like sqlmap, which automates the process of finding and exploiting SQL injection vulnerabilities.

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.