CVE-2024-3041 Overview
A critical SQL injection vulnerability has been discovered in Netentsec NS-ASG Application Security Gateway version 6.3. The vulnerability exists in the /protocol/log/listloginfo.php file, where improper input validation allows attackers to inject malicious SQL queries. This flaw can be exploited remotely without authentication, potentially leading to complete compromise of the underlying database system.
Critical Impact
This SQL injection vulnerability allows unauthenticated remote attackers to execute arbitrary SQL commands, potentially exposing sensitive data, modifying database contents, or gaining unauthorized system access. The exploit has been publicly disclosed.
Affected Products
- Netentsec NS-ASG Application Security Gateway 6.3
- Netentsec Application Security Gateway
Discovery Timeline
- March 28, 2024 - CVE-2024-3041 published to NVD
- February 10, 2025 - Last updated in NVD database
Technical Details for CVE-2024-3041
Vulnerability Analysis
This SQL injection vulnerability (CWE-89) affects the listloginfo.php file within the protocol logging functionality of the Netentsec NS-ASG Application Security Gateway. The vulnerability stems from insufficient input sanitization when processing user-supplied data, allowing attackers to inject arbitrary SQL statements into database queries.
The attack surface is significant as it can be exploited remotely over the network without requiring any authentication or user interaction. Once exploited, an attacker could potentially read sensitive information from the database, modify or delete data, and in some configurations, execute operating system commands through database functions.
The vendor was contacted about this disclosure but did not respond, leaving users without an official patch at the time of publication. The exploit details have been publicly disclosed, increasing the risk of exploitation in the wild.
Root Cause
The root cause of this vulnerability is improper input validation and lack of parameterized queries in the /protocol/log/listloginfo.php file. User-supplied input is directly incorporated into SQL queries without proper sanitization or escaping, allowing attackers to break out of the intended query structure and inject malicious SQL commands.
Attack Vector
The attack can be initiated remotely over the network by sending specially crafted HTTP requests to the vulnerable endpoint. The attacker does not require any prior authentication or privileges to exploit this vulnerability. By manipulating input parameters, an attacker can inject SQL code that gets executed by the database engine with the same privileges as the application's database user.
The vulnerability details and proof of concept have been documented in external references. For technical details, refer to the GitHub CVE PoC Documentation and VulDB #258430.
Detection Methods for CVE-2024-3041
Indicators of Compromise
- Unusual or malformed HTTP requests targeting /protocol/log/listloginfo.php
- SQL error messages in web server logs or application responses
- Unexpected database queries or query patterns in database audit logs
- Evidence of data exfiltration or unauthorized database access
Detection Strategies
- Implement Web Application Firewall (WAF) rules to detect SQL injection patterns in requests to the affected endpoint
- Monitor HTTP access logs for suspicious requests containing SQL keywords or syntax in parameter values
- Enable database query logging and audit for unusual SELECT, UNION, or data extraction queries
- Deploy intrusion detection systems with signatures for known SQL injection attack patterns
Monitoring Recommendations
- Enable verbose logging on the Application Security Gateway to capture all requests to PHP endpoints
- Configure alerts for multiple failed or anomalous requests to /protocol/log/listloginfo.php
- Monitor database connections for unexpected queries or access patterns originating from the web application
How to Mitigate CVE-2024-3041
Immediate Actions Required
- Restrict network access to the Netentsec NS-ASG Application Security Gateway management interface to trusted IP addresses only
- Implement a Web Application Firewall (WAF) with SQL injection protection in front of the vulnerable system
- Monitor access logs for exploitation attempts targeting the affected endpoint
- Consider taking the affected functionality offline until a patch is available
Patch Information
No official patch has been released by Netentsec at this time. The vendor was contacted early about this disclosure but did not respond. Users should monitor the vendor's official channels for security updates and apply patches immediately when available.
For additional vulnerability details, consult the VulDB CTI ID #258430 and VulDB Submission #302342.
Workarounds
- Implement network segmentation to limit access to the Application Security Gateway management interface
- Deploy input validation at the network perimeter using a WAF configured to block SQL injection attempts
- Disable or restrict access to the /protocol/log/listloginfo.php endpoint if the logging functionality is not critical
- Consider implementing additional authentication mechanisms in front of the management interface
# Example: Restrict access to management interface using iptables
# Allow only trusted management IPs to access the gateway
iptables -A INPUT -p tcp --dport 443 -s 10.0.0.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP
# Block requests containing common SQL injection patterns (requires string matching)
iptables -A INPUT -p tcp --dport 443 -m string --string "UNION" --algo bm -j DROP
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
