CVE-2024-1889
📋 TL;DR
This CVE describes a Cross-Site Request Forgery (CSRF) vulnerability in SMA Cluster Controller version 01.05.01.R. An attacker can trick authenticated users into performing unauthorized actions on the affected device by sending malicious links. This affects all users of the vulnerable SMA Cluster Controller version.
💻 Affected Systems
- SMA Cluster Controller
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the SMA Cluster Controller, allowing attacker to reconfigure settings, disrupt operations, or potentially gain further access to connected systems.
Likely Case
Unauthorized configuration changes, service disruption, or data manipulation within the SMA Cluster Controller's capabilities.
If Mitigated
Limited impact with proper CSRF protections and user awareness training in place.
🎯 Exploit Status
Exploitation requires user interaction (clicking malicious link) but is technically simple once the malicious request is crafted.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-sma-products
Restart Required: Yes
Instructions:
1. Check vendor advisory for patch availability. 2. Apply the patch following SMA's update procedures. 3. Restart the SMA Cluster Controller as required.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd anti-CSRF tokens to web forms and validate them on the server side.
Use SameSite Cookies
allConfigure cookies with SameSite=Strict or SameSite=Lax attributes.
🧯 If You Can't Patch
- Implement network segmentation to isolate the SMA Cluster Controller from untrusted networks.
- Educate users about the risks of clicking unknown links while authenticated to the system.
🔍 How to Verify
Check if Vulnerable:
Check the SMA Cluster Controller web interface or system logs for version 01.05.01.R.Check Version:
Check via SMA Cluster Controller web interface or consult SMA documentation for CLI commands.Verify Fix Applied:
Verify the version has been updated to a patched release after applying the fix.📡 Detection & Monitoring
Log Indicators:
- Unexpected configuration changes
- Unauthorized actions performed by authenticated users
Network Indicators:
- HTTP requests from unexpected sources triggering authenticated actions
SIEM Query:
Search for POST requests to SMA Cluster Controller endpoints without corresponding CSRF token validation logs.