CVE-2024-13312
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in Drupal Open Social that allows forceful browsing (accessing restricted pages without proper permissions). It affects Open Social installations running vulnerable versions, potentially allowing unauthorized users to access privileged content or functionality.
💻 Affected Systems
- Drupal Open Social
📦 What is this software?
Open Social by Getopensocial
Open Social by Getopensocial
⚠️ Risk & Real-World Impact
Worst Case
Unauthenticated attackers could access administrative interfaces, sensitive user data, or perform privileged actions leading to data breach or system compromise.
Likely Case
Authenticated users could escalate privileges to access content or features beyond their intended permissions, potentially viewing private data or performing unauthorized actions.
If Mitigated
With proper network segmentation and access controls, impact would be limited to the affected Open Social instance only.
🎯 Exploit Status
Exploitation requires understanding of Drupal's routing system but is straightforward once identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 12.3.10 or 12.4.9
Vendor Advisory: https://www.drupal.org/sa-contrib-2024-076
Restart Required: No
Instructions:
1. Update Open Social module to version 12.3.10 (for 12.3.x branch) or 12.4.9 (for 12.4.x branch). 2. Clear Drupal caches. 3. Verify authorization checks are working.
🔧 Temporary Workarounds
Temporary Access Restriction
allImplement additional access control checks at web server level or Drupal hooks
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the Open Social instance
- Add additional authorization checks in custom code or middleware
🔍 How to Verify
Check if Vulnerable:
Check Open Social module version via Drupal admin interface or by examining the module's info.yml fileCheck Version:
drush pm-list | grep open_socialVerify Fix Applied:
Verify Open Social module version is 12.3.10 or higher (12.3.x branch) or 12.4.9 or higher (12.4.x branch)📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to privileged routes
- Access to admin pages from non-admin users
Network Indicators:
- Unusual access patterns to privileged endpoints
SIEM Query:
source="drupal" AND (event_type="access_denied" OR event_type="page_not_found") AND uri CONTAINS "/admin/" OR uri CONTAINS "/user/"