SQL Injection in Guardian Language-System

Executive Summary

The vulnerability in Guardian Language-System occurs because the 'id' GET parameter in the subtitles.php file is directly inserted into an SQL query without proper sanitization or neutralization of special characters.

This allows an attacker, even without authentication, to perform error-based SQL injection attacks, which can be used to extract sensitive data from the database.

The issue is classified as CWE-89, which refers to improper neutralization of special elements used in an SQL command.

Useful 0 Not Useful 0

Detection Guidance

This vulnerability can be detected by testing the 'id' GET parameter in the subtitles.php file for SQL injection flaws. Since the parameter is directly passed into an unsanitized SQL query, sending specially crafted input that includes SQL syntax can trigger error messages or unexpected behavior indicating the presence of the vulnerability.

Common detection methods include using automated SQL injection scanners or manual testing with tools like curl or sqlmap.

• Using curl to test for SQL injection errors: curl "http://target/subtitles.php?id=1'"
• Using sqlmap to automate detection: sqlmap -u "http://target/subtitles.php?id=1" --batch

If the server responds with SQL error messages or unusual responses, it indicates the presence of the vulnerability.

Useful 0 Not Useful 0

Impact Analysis

This vulnerability can have a critical impact because it allows an unauthenticated attacker to extract database contents through SQL injection.

The attacker can compromise the confidentiality, integrity, and availability of the affected system's data.

Such an attack could lead to unauthorized access to sensitive information, data leakage, and potentially further exploitation of the system.

Useful 0 Not Useful 0

Compliance Impact

This vulnerability allows an attacker to perform error-based SQL injection to extract database contents, which can lead to unauthorized access to sensitive data.

Such unauthorized data exposure can result in non-compliance with common standards and regulations like GDPR and HIPAA, which require protection of personal and sensitive information.

Failure to protect data confidentiality and integrity as required by these regulations may lead to legal and financial consequences for affected organizations.

Useful 0 Not Useful 0

Mitigation Strategies

Immediate mitigation steps include sanitizing and validating the 'id' GET parameter before it is used in SQL queries to prevent injection attacks.

Implement prepared statements or parameterized queries instead of directly embedding user input into SQL commands.

If possible, update the Guardian Language-System to a version where this vulnerability is fixed or apply patches provided by the vendor or security community.

Additionally, restrict access to the vulnerable subtitles.php endpoint to authenticated and authorized users only, as the vulnerability requires authentication.

Useful 0 Not Useful 0