CVE-2024-41603

9.6 CRITICAL

📋 TL;DR

Spina CMS v2.18.0 contains a Cross-Site Request Forgery (CSRF) vulnerability in the /admin/layout endpoint that allows attackers to trick authenticated administrators into performing unauthorized actions. This affects all Spina CMS v2.18.0 installations with admin panel access. Attackers can modify website layouts without the admin's knowledge or consent.

💻 Affected Systems

Products:
  • Spina CMS
Versions: v2.18.0
Operating Systems: all
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects installations with admin panel accessible and requires admin authentication to exploit.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete website defacement or malicious content injection leading to credential theft, malware distribution, or SEO poisoning attacks.

🟠

Likely Case

Unauthorized layout changes, content modification, or injection of malicious scripts that affect site visitors.

🟢

If Mitigated

No impact if proper CSRF protections are implemented or if the vulnerability is patched.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires tricking an authenticated admin to visit a malicious page while logged into Spina CMS admin panel.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: v2.18.1 or later

Vendor Advisory: https://github.com/SpinaCMS/Spina/releases

Restart Required: No

Instructions:

1. Backup your Spina CMS installation. 2. Update to Spina CMS v2.18.1 or later via gem update spina. 3. Verify the update completed successfully.

🔧 Temporary Workarounds

CSRF Token Implementation

all

Manually add CSRF token validation to the /admin/layout endpoint

# Requires modifying Spina CMS source code to include CSRF protection

Admin Panel Access Restriction

all

Restrict admin panel access to specific IP addresses or VPN only

# Configure web server (nginx/apache) to restrict /admin/* paths

🧯 If You Can't Patch

  • Implement strict SameSite cookie policies and require re-authentication for sensitive actions
  • Monitor admin panel access logs for suspicious activity and implement WAF rules to detect CSRF attempts

🔍 How to Verify

Check if Vulnerable:

Check Spina CMS version: gem list spina | grep spina

Check Version:

gem list spina | grep spina

Verify Fix Applied:

Verify version is v2.18.1 or later: gem list spina | grep spina

📡 Detection & Monitoring

Log Indicators:

  • Multiple POST requests to /admin/layout from different sessions
  • Layout changes without corresponding admin activity

Network Indicators:

  • CSRF attack patterns in web traffic
  • Unexpected referrer headers in admin requests

SIEM Query:

source="web_logs" AND (uri="/admin/layout" AND method="POST") AND NOT user_agent="admin_browser"

🔗 References

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