itsourcecode Electronic Judging System SQL Injection Vulnerability in edit_team.php

A SQL injection vulnerability has been identified in the Electronic Judging System version 1.0. The issue resides in the admin/edit_team.php file, where the num_id parameter is manipulated to inject malicious SQL queries. This vulnerability can be exploited remotely, allowing attackers to gain unauthorized access to the database, leak sensitive information, tamper with data, and potentially disrupt services.

Impact

Exploitation of this vulnerability allows for unauthorized database access, manipulation of data, leakage of sensitive information, and could lead to a disruption of services.

Reproduction

The vulnerability can be reproduced by sending a crafted request to the admin/edit_team.php file with a payload that exploits the SQL injection flaw. This can be done using tools like sqlmap, which automates the process of finding and exploiting SQL injection vulnerabilities.

Remediation

To address this vulnerability, 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 enhance overall security.