CVE-2024-24524
📋 TL;DR
This CSRF vulnerability in flusity-CMS v2.33 allows attackers to trick authenticated administrators into executing arbitrary code by visiting malicious web pages. Attackers can compromise the entire CMS installation and potentially the underlying server. Only flusity-CMS v2.33 installations with administrative access are affected.
💻 Affected Systems
- flusity-CMS
📦 What is this software?
Flusity by Flusity
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with remote code execution leading to data theft, ransomware deployment, or creation of persistent backdoors.
Likely Case
Unauthorized administrative actions including adding malicious menu items, modifying content, or creating new admin accounts.
If Mitigated
Failed exploitation attempts logged with no impact if CSRF tokens and proper authentication controls are implemented.
🎯 Exploit Status
Exploitation requires social engineering to trick authenticated admin but technical complexity is minimal.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
1. Check for updated version from flusity-CMS developers
2. If patch available, backup database and files
3. Apply patch following vendor instructions
4. Verify fix by testing CSRF protection
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF protection tokens to all admin forms including add_menu.php
Modify add_menu.php to include CSRF token validation
Restrict Admin Access
allLimit admin panel access to specific IP addresses or VPN
Add IP restrictions to .htaccess or web server config
🧯 If You Can't Patch
- Implement web application firewall with CSRF protection rules
- Require re-authentication for sensitive administrative actions
🔍 How to Verify
Check if Vulnerable:
Check if add_menu.php lacks CSRF token validation and if running flusity-CMS v2.33Check Version:
Check CMS version in admin panel or readme filesVerify Fix Applied:
Test CSRF protection by attempting to submit form without valid token📡 Detection & Monitoring
Log Indicators:
- Multiple failed admin actions from same IP
- Unusual menu creation events
Network Indicators:
- POST requests to add_menu.php without referrer headers
- Admin panel access from unusual locations
SIEM Query:
source="web_logs" AND (uri="/add_menu.php" OR uri="*/add_menu.php") AND status=200 AND NOT referrer CONTAINS "admin"