Code-Projects Online Appointment Booking System SQL Injection Vulnerability

A critical SQL injection vulnerability has been identified in Code-Projects Online Appointment Booking System version 1.0. The issue resides in the file '/admin/deletedoctorclinic.php', where the 'clinic' parameter is manipulated, allowing attackers to inject malicious SQL queries. This vulnerability can be exploited remotely, without any authentication, potentially leading to unauthorized database access, data modification or deletion, and exposure of sensitive information.

Impact

Exploitation of this vulnerability allows for SQL injection, enabling attackers to manipulate database queries. This could result in unauthorized data access, data leakage, data modification or deletion, and in some cases, executing administrative operations on the database or underlying system.

Reproduction

The vulnerability can be reproduced by sending a POST request to '/admin/deletedoctorclinic.php' with the 'clinic' parameter. The injection can be crafted using either error-based or time-based blind SQL injection techniques, depending on the SQL server version.

Remediation

It is recommended to use prepared statements and parameter binding to prevent SQL injection. Additionally, input validation and filtering should be implemented to ensure user input conforms to expected formats. Minimizing database user permissions and conducting regular security audits are also advisable.