CVE-2024-3419: Argie Online Courseware SQLi Vulnerability

CVE-2024-3419 Overview

A critical SQL Injection vulnerability has been identified in SourceCodester Online Courseware version 1.0. This vulnerability affects the admin/edit.php file, where improper handling of the id parameter allows attackers to inject malicious SQL statements. The vulnerability can be exploited remotely without authentication, potentially leading to complete database compromise, unauthorized data access, and system manipulation.

Critical Impact

This SQL Injection vulnerability enables remote attackers to manipulate database queries through the id parameter, potentially resulting in unauthorized access to sensitive data, data modification, or complete database takeover.

Affected Products

• Argie Online Courseware version 1.0
• SourceCodester Online Courseware 1.0

Discovery Timeline

• 2024-04-07 - CVE-2024-3419 published to NVD
• 2025-01-17 - Last updated in NVD database

Technical Details for CVE-2024-3419

Vulnerability Analysis

This vulnerability is classified as CWE-89 (SQL Injection), a common and dangerous web application security flaw. The vulnerable endpoint resides in the administrative file admin/edit.php, where the id parameter is directly incorporated into SQL queries without proper sanitization or parameterized query implementation.

The lack of input validation allows an attacker to inject arbitrary SQL commands through the id parameter. Since the attack can be launched remotely without any authentication requirements or user interaction, the vulnerability poses a significant risk to any deployment of this courseware application. Successful exploitation could allow attackers to extract sensitive user information, modify course data, escalate privileges, or potentially gain control of the underlying database server.

Root Cause

The root cause of this vulnerability is the failure to implement proper input validation and parameterized queries (prepared statements) when handling user-supplied input in the admin/edit.php file. The application directly concatenates the id parameter value into SQL queries, creating a classic SQL Injection condition.

This vulnerability pattern is common in PHP applications that use direct string concatenation for database queries rather than using prepared statements with bound parameters. The absence of input sanitization mechanisms such as type validation, allowlist filtering, or escape functions enables attackers to break out of the intended SQL query structure and execute arbitrary database commands.

Attack Vector

The attack can be executed remotely over the network by sending specially crafted HTTP requests to the admin/edit.php endpoint. An attacker manipulates the id parameter to include SQL syntax that alters the intended query behavior.

Typical exploitation techniques include UNION-based injection to extract data from other tables, Boolean-based blind injection to infer database contents through true/false responses, and time-based blind injection using database sleep functions. The attacker requires no authentication or prior access to exploit this vulnerability, making it particularly dangerous for publicly accessible installations.

For detailed technical information about this vulnerability, refer to the GitHub Courseware Resource and VulDB #259591.

Detection Methods for CVE-2024-3419

Indicators of Compromise

• Unusual SQL error messages appearing in application logs or web responses from admin/edit.php
• HTTP requests to admin/edit.php containing SQL keywords such as UNION, SELECT, DROP, INSERT, or comment sequences (--, /**/)
• Database query logs showing malformed or unexpected queries originating from the edit functionality
• Suspicious patterns in the id parameter including single quotes, semicolons, or encoded SQL syntax

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block SQL Injection patterns targeting the id parameter
• Enable detailed logging for all requests to the admin/edit.php endpoint and monitor for anomalous input patterns
• Deploy database activity monitoring to detect unauthorized query patterns or privilege escalation attempts
• Use intrusion detection systems with signatures for common SQL Injection attack payloads

Monitoring Recommendations

• Establish baseline normal traffic patterns for the administrative interface and alert on deviations
• Monitor database server logs for failed login attempts, permission errors, or unexpected data access patterns
• Implement real-time alerting for any requests containing SQL Injection indicators in URL parameters
• Review access logs periodically for reconnaissance activities targeting administrative endpoints

How to Mitigate CVE-2024-3419

Immediate Actions Required

• Restrict access to the admin/edit.php file and administrative directories to authorized IP addresses only
• Implement Web Application Firewall rules to block SQL Injection attempts targeting the vulnerable endpoint
• Consider taking the application offline or disabling the affected functionality until a proper fix can be implemented
• Audit database access logs for any signs of prior exploitation

Patch Information

As of the last NVD update on 2025-01-17, no official vendor patch has been documented for this vulnerability. Organizations using SourceCodester Online Courseware 1.0 should contact the vendor for security updates or consider implementing the manual code fixes described below. Monitor VulDB #259591 for updates on remediation guidance.

Workarounds

• Implement server-side input validation to ensure the id parameter only accepts numeric values using functions like intval() or is_numeric()
• Modify the vulnerable code to use prepared statements with parameterized queries instead of direct string concatenation
• Deploy a reverse proxy or WAF in front of the application to filter malicious requests before they reach the server
• Restrict network access to the administrative interface using firewall rules or VPN requirements

# Example: Apache configuration to restrict admin access by IP
<Directory "/var/www/html/admin">
    Require ip 192.168.1.0/24
    Require ip 10.0.0.0/8
</Directory>

# Example: ModSecurity rule to block SQL injection in id parameter
SecRule ARGS:id "(?i)(union|select|insert|update|delete|drop|--|;)" \
    "id:1001,phase:2,deny,status:403,msg:'SQL Injection Attempt Detected'"