CVE-2024-0473: Dormitory Management System SQLi Flaw

CVE-2024-0473 Overview

A critical SQL injection vulnerability has been identified in Code-projects Dormitory Management System version 1.0. The vulnerability exists in the comment.php file, where improper handling of the com parameter allows attackers to inject malicious SQL queries. This flaw enables remote attackers to manipulate database queries without authentication, potentially compromising the entire database and underlying system.

Critical Impact

Unauthenticated attackers can remotely exploit this SQL injection vulnerability to access, modify, or delete sensitive dormitory management data, potentially compromising student information and administrative credentials.

Affected Products

• Code-projects Dormitory Management System 1.0

Discovery Timeline

• 2024-01-12 - CVE-2024-0473 published to NVD
• 2024-11-21 - Last updated in NVD database

Technical Details for CVE-2024-0473

Vulnerability Analysis

This vulnerability falls under CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), commonly known as SQL Injection. The affected comment.php file fails to properly sanitize user-supplied input in the com parameter before incorporating it into SQL queries. This allows attackers to inject arbitrary SQL commands that execute within the context of the database.

The exploit has been publicly disclosed, making it particularly dangerous as attack methodologies are readily available. Organizations using this dormitory management system should treat this as a high-priority security issue requiring immediate attention.

Root Cause

The root cause of this vulnerability is insufficient input validation and lack of parameterized queries in the comment.php file. The application directly concatenates user-supplied data from the com parameter into SQL statements without proper sanitization or escaping. This architectural flaw allows malicious SQL code to be interpreted and executed by the database engine.

Attack Vector

The vulnerability is exploitable remotely over the network without requiring authentication. An attacker can craft a malicious HTTP request containing SQL injection payloads in the com parameter. When the vulnerable comment.php script processes this input, the injected SQL commands execute with the privileges of the database user configured for the application.

The attack can be performed by manipulating the com parameter in requests to comment.php. Successful exploitation could allow attackers to bypass authentication, extract sensitive data including user credentials and personal information, modify or delete database records, or potentially achieve command execution on the underlying server depending on database configuration. For detailed technical analysis of the exploitation methodology, refer to the GitHub SQL Injection Analysis.

Detection Methods for CVE-2024-0473

Indicators of Compromise

• Unusual SQL error messages in web server logs originating from comment.php
• Abnormal database queries containing SQL keywords like UNION, SELECT, DROP, or INSERT in the com parameter
• Unexpected outbound connections from the database server
• Evidence of data exfiltration or unauthorized database access in audit logs

Detection Strategies

• Deploy web application firewalls (WAF) configured to detect and block SQL injection patterns
• Implement intrusion detection system (IDS) rules to monitor for SQL injection attack signatures
• Enable database query logging and monitor for suspicious query patterns
• Review web server access logs for requests to comment.php containing suspicious characters or SQL syntax

Monitoring Recommendations

• Configure real-time alerting for SQL syntax appearing in HTTP parameters
• Monitor database performance metrics for unusual query patterns or execution times
• Implement application-level logging to track all database interactions from comment.php
• Establish baseline metrics for normal comment submission patterns to detect anomalies

How to Mitigate CVE-2024-0473

Immediate Actions Required

• Take the Dormitory Management System offline if it is exposed to untrusted networks
• Implement a web application firewall (WAF) with SQL injection protection as a temporary barrier
• Restrict network access to the application to trusted IP addresses only
• Review database logs for evidence of prior exploitation attempts

Patch Information

No official vendor patch is currently available for this vulnerability. Organizations should contact code-projects for remediation guidance or consider implementing manual code fixes. For additional vulnerability details, refer to VulDB #250578.

Workarounds

• Modify the comment.php file to implement prepared statements with parameterized queries
• Add input validation to sanitize the com parameter, filtering out SQL-specific characters and keywords
• Implement a whitelist-based input validation approach for expected comment formats
• Deploy the application behind a reverse proxy with SQL injection filtering capabilities

# Example: Restrict access to comment.php via .htaccess
<Files "comment.php">
    Order Deny,Allow
    Deny from all
    Allow from 192.168.1.0/24
</Files>