PHPGurukul HPGurukul Online Birth Certificate System SQL Injection Vulnerability

A critical SQL injection vulnerability has been identified in PHPGurukul HPGurukul Online Birth Certificate System version 2.0. The issue resides in the '/admin/registered-users.php' file, where the 'del' parameter is manipulated, allowing attackers to inject malicious SQL queries. This vulnerability can be exploited remotely, without authentication, and has been publicly disclosed along with proof-of-concept exploitation details.

Impact

Exploitation of this vulnerability allows unauthorized access to the application's database, where attackers can leak, modify, or delete data. Additionally, this could lead to complete control over the application and disruption of its services.

Reproduction

The vulnerability can be reproduced by sending a GET request to '/obcs/admin/registered-users.php' with a crafted 'del' parameter that includes SQL injection payloads. This can be done manually or using automated tools like SQLMap, which can 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 that user input meets expected formats, blocking malicious data. Finally, database user permissions should be minimized, ensuring that the account used for database connections has only the necessary privileges.