PHPGurukul Hostel Management System SQL Injection Vulnerability

A critical SQL injection vulnerability has been identified in PHPGurukul Hostel Management System version 1.0. The issue resides in the '/includes/login-hm.inc.php' file, where the 'username' parameter is manipulated, leading to unauthorized database access. This vulnerability allows attackers to inject malicious SQL queries, potentially modifying or deleting data and accessing sensitive information. The flaw arises from inadequate input validation, enabling exploitation without authentication.

Impact

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

Reproduction

To reproduce this vulnerability, send a POST request to the '/includes/login-hm.inc.php' file with a crafted 'username' parameter that includes SQL injection payloads. The injection takes advantage of the application's failure to properly sanitize user input before using it in SQL queries. After the injection, the SQLMap tool can be used to exploit the vulnerability and extract database information.

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 can also help mitigate such vulnerabilities.