CVE-2024-13241
📋 TL;DR
This CVE describes an Improper Authorization vulnerability in Drupal Open Social that allows attackers to collect data from common resource locations without proper permissions. It affects all Open Social installations from initial versions before 12.0.5. Attackers can potentially access sensitive information that should be restricted.
💻 Affected Systems
- Drupal Open Social
📦 What is this software?
Open Social by Getopensocial
⚠️ Risk & Real-World Impact
Worst Case
Attackers could exfiltrate sensitive user data, configuration files, or other protected resources, leading to data breaches and privacy violations.
Likely Case
Unauthorized access to user profiles, private content, or administrative resources that should be restricted to authorized users only.
If Mitigated
Limited exposure of non-critical resources or partial data access if proper access controls and network segmentation are implemented.
🎯 Exploit Status
Exploitation requires understanding of Drupal's resource structure but is technically straightforward once identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 12.0.5
Vendor Advisory: https://www.drupal.org/sa-contrib-2024-005
Restart Required: No
Instructions:
1. Update Open Social module to version 12.0.5 or later. 2. Clear Drupal caches. 3. Verify proper authorization checks are functioning.
🔧 Temporary Workarounds
Temporary Access Restriction
allRestrict access to vulnerable endpoints via web server configuration or Drupal access control modules
# Example Apache .htaccess rule
Deny from all
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Open Social instances from sensitive data stores
- Deploy web application firewall rules to block suspicious resource access patterns
🔍 How to Verify
Check if Vulnerable:
Check Open Social module version in Drupal admin interface or via drush: drush pm-list | grep open_socialCheck Version:
drush pm-list | grep open_socialVerify Fix Applied:
Confirm Open Social version is 12.0.5 or higher and test authorization controls on protected resources📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to resource endpoints
- Multiple failed authorization attempts followed by successful access
Network Indicators:
- Unexpected data exfiltration from Open Social instances
- Unusual traffic to resource endpoints
SIEM Query:
source="drupal_access_log" AND (uri CONTAINS "/resource/" OR uri CONTAINS "/api/") AND status=200 AND user="anonymous"