CVE-2024-42598
📋 TL;DR
SeaCMS 13.0 has an authenticated remote code execution vulnerability in admin_editplayer.php where attackers can bypass file restrictions to write and execute arbitrary code. This allows authenticated attackers to execute system commands and potentially gain full system privileges. Only SeaCMS 13.0 installations with admin access are affected.
💻 Affected Systems
- SeaCMS
📦 What is this software?
Seacms by Seacms
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining root/admin privileges, installing persistent backdoors, stealing data, and pivoting to other systems.
Likely Case
Web server compromise leading to data theft, defacement, or cryptocurrency mining malware installation.
If Mitigated
Limited impact due to network segmentation, minimal privileges, and monitoring catching exploitation attempts.
🎯 Exploit Status
Exploit requires admin credentials but is straightforward once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available or applying workarounds.
🔧 Temporary Workarounds
Restrict admin_editplayer.php access
linuxTemporarily disable or restrict access to the vulnerable file
mv admin_editplayer.php admin_editplayer.php.disabled
chmod 000 admin_editplayer.php
Implement strict input validation
allAdd proper file extension and content validation to admin_editplayer.php
🧯 If You Can't Patch
- Implement strict network segmentation to isolate SeaCMS from critical systems
- Enforce strong authentication and limit admin access to trusted IP addresses only
🔍 How to Verify
Check if Vulnerable:
Check if SeaCMS version is 13.0 and admin_editplayer.php exists in the admin directory
Check Version:
Check SeaCMS configuration files or admin panel for version information
Verify Fix Applied:
Verify admin_editplayer.php has been disabled or modified with proper input validation
📡 Detection & Monitoring
Log Indicators:
- Unusual file writes to player configuration files
- Multiple failed admin login attempts followed by successful login
- Execution of system commands from web process
Network Indicators:
- Unusual outbound connections from web server
- Traffic to known malicious domains
SIEM Query:
source="web_logs" AND (uri="/admin/admin_editplayer.php" OR process="php" AND cmdline CONTAINS "system" OR "exec")