SQL Injection in Food Waste Management System Admin Panel

Executive Summary

This vulnerability is an unauthenticated boolean-based blind SQL injection in the admin/signup.php file of the food-waste-management-system. It occurs because the application directly inserts raw POST data into SQL queries without proper escaping or prepared statements. Attackers can manipulate database queries by submitting crafted input to the email, username, or location fields, leading to potential data theft or manipulation.

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Detection Guidance

To detect this SQL injection vulnerability, monitor for unusual POST requests to /admin/signup.php with payloads testing boolean-based blind SQLi. Check server logs for responses like 'Account already exists' or 'data not saved' indicating true/false conditions. Use tools like sqlmap with: sqlmap -u 'http://target/admin/signup.php' --data='email=test@test.com' --batch --level=5 --risk=3

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Impact Analysis

An attacker could exploit this to retrieve all database contents, including admin password hashes and user records. They might also inject malicious data into the admin table, potentially gaining unauthorized access to the system. The vulnerability allows remote attacks without authentication.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR's data protection principles and HIPAA's security requirements. It may result in data breaches, unauthorized disclosure of personal or health information, and non-compliance with regulatory obligations for data security and privacy.

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Mitigation Strategies

Immediately restrict public access to /admin/signup.php via web server rules. Implement prepared statements for all SQL queries in admin/signup.php. Disable unauthenticated admin registration if possible. Review database user permissions to ensure least privilege. Monitor for exploitation attempts in logs.

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