CVE-2024-40036
📋 TL;DR
This CSRF vulnerability in idccms v1.35 allows attackers to trick authenticated administrators into performing unauthorized actions by visiting malicious web pages. Attackers could create new user groups or modify permissions without the admin's knowledge. Only administrators with access to the vulnerable admin panel are affected.
💻 Affected Systems
- idccms
📦 What is this software?
Idccms by Idccms
⚠️ Risk & Real-World Impact
Worst Case
Attackers could create administrative user groups, modify permissions, or perform other administrative actions leading to complete system compromise.
Likely Case
Attackers create unauthorized user groups or modify existing groups to gain elevated privileges within the CMS.
If Mitigated
With proper CSRF protections, the attack fails and no unauthorized actions occur.
🎯 Exploit Status
Exploitation requires the victim to be authenticated as admin and visit a malicious page while logged in.
🛠️ 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 available or implementing CSRF protections manually.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF token validation to /admin/userGroup_deal.php
Edit PHP file to include token generation and validation
Restrict Admin Access
allLimit admin panel access to specific IP addresses
Add IP restrictions in .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 /admin/userGroup_deal.php lacks CSRF token validation and accepts POST requests without origin verification.
Check Version:
Check CMS version in admin panel or configuration files
Verify Fix Applied:
Test that CSRF tokens are required and validated for all POST requests to the vulnerable endpoint.
📡 Detection & Monitoring
Log Indicators:
- Multiple user group creation/modification requests from same admin session
- Admin actions without corresponding login events
Network Indicators:
- POST requests to /admin/userGroup_deal.php from unexpected referrers
SIEM Query:
source="web_logs" AND uri="/admin/userGroup_deal.php" AND method="POST" AND NOT referrer CONTAINS "yourdomain.com"