CVE-2024-30565
📋 TL;DR
SeaCMS version 12.9 contains a vulnerability in admin/notify.php that allows remote attackers to execute arbitrary code. This is a code injection vulnerability (CWE-94) that affects all SeaCMS 12.9 installations with the admin interface accessible. Attackers can compromise the entire web application and underlying server.
💻 Affected Systems
- SeaCMS
📦 What is this software?
Seacms by Seacms
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the web server, accessing databases, and potentially pivoting to other systems in the network.
Likely Case
Web application takeover, data theft, defacement, and installation of backdoors or malware on the server.
If Mitigated
Limited impact if proper network segmentation, WAF rules, and access controls prevent exploitation attempts.
🎯 Exploit Status
Exploitation requires access to the admin interface. Public proof-of-concept code is available in the referenced GitHub repository.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
1. Check for official SeaCMS updates or patches. 2. If no patch available, apply workarounds. 3. Consider upgrading to a newer version if available.
🔧 Temporary Workarounds
Restrict admin access
allBlock external access to admin interface using firewall rules or web server configuration
# Apache: <Location /admin> Require ip 192.168.1.0/24 </Location>
# Nginx: location /admin { allow 192.168.1.0/24; deny all; }
Remove vulnerable file
linuxTemporarily remove or rename the vulnerable notify.php file
mv admin/notify.php admin/notify.php.bak
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the admin interface
- Deploy a web application firewall (WAF) with rules to detect and block code injection attempts
🔍 How to Verify
Check if Vulnerable:
Check if SeaCMS version is 12.9 and if admin/notify.php exists and is accessibleCheck Version:
Check SeaCMS configuration files or admin panel for version informationVerify Fix Applied:
Verify admin/notify.php is no longer accessible or has been patched📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to admin/notify.php
- Suspicious PHP code execution in web logs
- Multiple failed access attempts to admin interface
Network Indicators:
- Unexpected outbound connections from web server
- Traffic patterns indicating code execution
SIEM Query:
source="web_logs" AND (uri="/admin/notify.php" OR uri="/admin/notify") AND (method="POST" OR status>=400)