SourceCodester Simple Doctors Appointment System SQL Injection Vulnerability

A SQL injection vulnerability has been identified in SourceCodester Simple Doctors Appointment System version 1.0. The issue resides in the admin/login.php file, where the Username parameter is not properly validated, allowing attackers to inject malicious SQL queries. This vulnerability can be exploited remotely, without any authentication, potentially leading to unauthorized database access, data manipulation, and leakage of sensitive information.

Impact

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

Reproduction

The vulnerability can be reproduced by sending a POST request to '/doctors_appointment/admin/ajax.php?action=login' with an injected payload in the 'username' parameter. This can be done using tools like sqlmap, which can automate the exploitation of 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.