itsourcecode Cafe Reservation System SQL Injection Vulnerability in Signup Component

A SQL injection vulnerability has been identified in the itsourcecode Cafe Reservation System version 1.0. The issue resides in the Registration component, specifically within the '/curvus2/signup.php' file. The vulnerability is triggered by manipulating the 'MULTIPART username' parameter, allowing attackers to inject malicious SQL queries. This flaw can be exploited remotely, without any authentication requirements.

Impact

Exploitation of this vulnerability allows unauthorized access to the database, where attackers can leak, modify, or delete data. Additionally, it could lead to unauthorized control over the system or cause a service interruption.

Reproduction

The vulnerability can be reproduced by sending a POST request to '/curvus2/signup.php' with crafted SQL injection payloads in the 'username' field. This can be done using tools like sqlmap, which automates the process of finding and exploiting 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.