CVE-2024-39020
📋 TL;DR
This CSRF vulnerability in idccms v1.35 allows attackers to trick authenticated administrators into performing unauthorized actions via crafted requests to the vulnerable endpoint. Attackers can modify VPS API data when administrators visit malicious pages while logged in. Only administrators with access to the admin panel are affected.
💻 Affected Systems
- idccms
📦 What is this software?
Idccms by Idccms
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify VPS API configurations, potentially disrupting service availability, altering billing data, or changing security settings without the administrator's knowledge.
Likely Case
Attackers trick administrators into making unintended changes to VPS API data, potentially causing service disruptions or configuration errors.
If Mitigated
With proper CSRF protections, administrators would be prompted for confirmation or the requests would be rejected, preventing unauthorized changes.
🎯 Exploit Status
Exploitation requires the victim administrator to be logged in and visit a malicious page. The GitHub reference shows proof-of-concept details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: unknown
Vendor Advisory: unknown
Restart Required: No
Instructions:
No official patch available. Implement CSRF tokens in /admin/vpsApiData_deal.php and validate them on POST requests.
🔧 Temporary Workarounds
Implement CSRF Protection
allAdd CSRF tokens to forms and validate them server-side
Modify PHP files to include CSRF tokens and validation logic
Restrict Admin Access
allLimit admin panel access to trusted IP addresses only
Add IP whitelisting to .htaccess or web server configuration
🧯 If You Can't Patch
- Implement network segmentation to isolate the admin interface
- Use browser extensions that block CSRF attempts
🔍 How to Verify
Check if Vulnerable:
Check if /admin/vpsApiData_deal.php lacks CSRF token validation by reviewing source code or testing with CSRF PoC tools.Check Version:
Check CMS version in admin panel or configuration filesVerify Fix Applied:
Test that POST requests to the vulnerable endpoint require valid CSRF tokens and reject requests without them.📡 Detection & Monitoring
Log Indicators:
- Multiple POST requests to /admin/vpsApiData_deal.php from different referrers
- Unexpected modifications to VPS API data
Network Indicators:
- HTTP requests to the vulnerable endpoint with suspicious referrer headers
SIEM Query:
source="web_logs" AND uri="/admin/vpsApiData_deal.php" AND method="POST" AND referrer NOT CONTAINS "your-domain.com"