CVE-2022-24604
📋 TL;DR
CVE-2022-24604 is a SQL injection vulnerability in Luocms v2.0 that allows attackers to execute arbitrary SQL commands via the /admin/link/link_mod.php endpoint. This affects all organizations running Luocms v2.0 content management system. Attackers can potentially access, modify, or delete database content.
💻 Affected Systems
- Luocms
📦 What is this software?
Luocms by Luocms Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, and potential remote code execution via database functions.
Likely Case
Database information disclosure, privilege escalation, and unauthorized data modification.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation in place.
🎯 Exploit Status
Exploitation requires access to the admin interface. SQL injection is well-understood with many available tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider migrating to a supported CMS or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement proper input validation and parameterized queries in the link_mod.php file.
Modify /admin/link/link_mod.php to use prepared statements with parameterized queries
Access Restriction
allRestrict access to the admin interface using IP whitelisting or authentication.
Configure web server (Apache/Nginx) to restrict /admin/ path to trusted IPs
🧯 If You Can't Patch
- Implement web application firewall (WAF) with SQL injection rules
- Network segmentation to isolate Luocms from critical systems
🔍 How to Verify
Check if Vulnerable:
Check if Luocms v2.0 is installed and accessible at /admin/link/link_mod.phpCheck Version:
Check Luocms version in admin panel or configuration filesVerify Fix Applied:
Test the link_mod.php endpoint with SQL injection payloads to confirm proper input validation📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts to admin interface
- Suspicious POST requests to /admin/link/link_mod.php
Network Indicators:
- SQL injection patterns in HTTP requests
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND uri="/admin/link/link_mod.php" AND (payload="' OR " OR payload="--" OR payload="UNION")