CVE-2024-34958
📋 TL;DR
This CSRF vulnerability in idccms v1.35 allows attackers to trick authenticated administrators into performing unauthorized actions via the banner management interface. Attackers can add malicious banners or modify system settings without the admin's knowledge. Only administrators with access to the affected admin panel are vulnerable.
💻 Affected Systems
- idccms
📦 What is this software?
Idccms by Idccms
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the CMS through unauthorized administrative actions, potentially leading to website defacement, malware injection, or data theft.
Likely Case
Unauthorized banner additions or modifications, potentially redirecting users to malicious sites or displaying harmful content.
If Mitigated
No impact if proper CSRF protections are implemented and administrators follow security best practices.
🎯 Exploit Status
CSRF attacks are well-understood and easy to implement; exploitation requires tricking an authenticated administrator.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: unknown
Vendor Advisory: none
Restart Required: No
Instructions:
No official patch available. Implement CSRF tokens in admin/banner_deal.php and validate all POST requests.
🔧 Temporary Workarounds
Implement CSRF Protection
allAdd CSRF tokens to the banner management form and validate them on submission.
Modify admin/banner_deal.php to include CSRF token generation and validation
Restrict Admin Panel Access
allLimit access to the admin panel using IP whitelisting or VPN requirements.
Configure web server (Apache/Nginx) to restrict access to /admin/ directory
🧯 If You Can't Patch
- Require re-authentication for sensitive administrative actions
- Implement SameSite cookie attributes and CORS restrictions
🔍 How to Verify
Check if Vulnerable:
Check if admin/banner_deal.php lacks CSRF token validation and allows POST requests without proper origin checking.Check Version:
Check CMS version in admin panel or configuration filesVerify Fix Applied:
Test that banner addition requests fail without valid CSRF tokens and proper referrer validation.📡 Detection & Monitoring
Log Indicators:
- Multiple banner addition requests from unusual IPs
- Admin actions without corresponding login events
Network Indicators:
- POST requests to admin/banner_deal.php without CSRF tokens
- Requests with mismatched referrer headers
SIEM Query:
source="web_logs" AND uri="/admin/banner_deal.php" AND method="POST" AND NOT csrf_token=*