CVE-2024-42598

6.7 MEDIUM

📋 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

Products:
  • SeaCMS
Versions: 13.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated admin access to exploit

📦 What is this software?

⚠️ 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

linux

Temporarily 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

all

Add 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")

🔗 References

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