CVE-2024-25419
📋 TL;DR
Flusity-CMS v2.33 contains a CSRF vulnerability in the update_menu.php component that allows attackers to trick authenticated administrators into performing unauthorized menu updates. This affects all Flusity-CMS v2.33 installations with administrative interfaces accessible to users.
💻 Affected Systems
- flusity-CMS
📦 What is this software?
Flusity by Flusity
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify CMS menus to inject malicious links, redirect users to phishing sites, or alter administrative interfaces to facilitate further attacks.
Likely Case
Unauthorized menu modifications leading to user confusion, potential phishing vectors, or minor website defacement.
If Mitigated
Limited impact with proper CSRF protections, though some administrative actions might still be vulnerable if other controls fail.
🎯 Exploit Status
CSRF attacks are well-understood and easy to implement; the referenced GitHub repository contains details about the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if released, or implement CSRF protections manually.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF tokens to the update_menu.php form and validate them on submission.
Edit /core/tools/update_menu.php to include and verify CSRF tokens
Restrict Access
allLimit access to the administrative interface to trusted IP addresses only.
Configure web server (e.g., Apache .htaccess or Nginx config) to restrict /core/tools/ to specific IPs
🧯 If You Can't Patch
- Monitor administrative actions and logs for unauthorized menu updates.
- Educate administrators about CSRF risks and safe browsing practices.
🔍 How to Verify
Check if Vulnerable:
Check if the /core/tools/update_menu.php endpoint lacks CSRF token validation by reviewing the source code or testing with a CSRF proof-of-concept.
Check Version:
Check the CMS version in the admin panel or configuration files.
Verify Fix Applied:
Verify that CSRF tokens are required and validated in update_menu.php requests.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /core/tools/update_menu.php from unexpected sources or without referrer headers
Network Indicators:
- HTTP requests to update_menu.php without CSRF tokens or with suspicious referrers
SIEM Query:
source="web_logs" AND uri="/core/tools/update_menu.php" AND method="POST" AND (NOT csrf_token=*)