CVE-2024-13274
📋 TL;DR
This vulnerability in Drupal Open Social allows attackers to abuse functionality by making requests more frequently than intended. It affects all Open Social installations running vulnerable versions, potentially enabling denial of service or resource exhaustion attacks.
💻 Affected Systems
- Drupal Open Social
📦 What is this software?
Open Social by Getopensocial
Open Social by Getopensocial
⚠️ Risk & Real-World Impact
Worst Case
Attackers could cause denial of service by overwhelming the application with excessive requests, making it unavailable to legitimate users.
Likely Case
Resource exhaustion leading to degraded performance or temporary service disruption for targeted users.
If Mitigated
Minimal impact with proper rate limiting and monitoring in place.
🎯 Exploit Status
The vulnerability involves improper frequency control, which typically requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 12.3.8 or 12.4.5
Vendor Advisory: https://www.drupal.org/sa-contrib-2024-038
Restart Required: No
Instructions:
1. Update Open Social to version 12.3.8 (for 12.3.x branch) or 12.4.5 (for 12.4.x branch). 2. Clear Drupal caches. 3. Verify the update was successful.
🔧 Temporary Workarounds
Implement Rate Limiting
allConfigure web server or application-level rate limiting to restrict request frequency.
# Example nginx rate limiting: limit_req_zone $binary_remote_addr zone=social:10m rate=10r/s;
# Then apply to location: limit_req zone=social burst=20 nodelay;
Enable Drupal Flood Control
allConfigure Drupal's flood control module to limit repeated actions.
# Enable flood control in Drupal settings.php
$settings['flood_limit'] = 10;
$settings['flood_interval'] = 3600;
🧯 If You Can't Patch
- Implement strict rate limiting at the network perimeter or web server level.
- Monitor for unusual request patterns and implement automated blocking for abusive IPs.
🔍 How to Verify
Check if Vulnerable:
Check Open Social version via Drupal admin interface at /admin/reports/updates or using drush: drush pm-list --type=module | grep socialCheck Version:
drush pm-list --type=module --fields=name,version | grep socialVerify Fix Applied:
Confirm Open Social version is 12.3.8 or higher (12.3.x branch) or 12.4.5 or higher (12.4.x branch).📡 Detection & Monitoring
Log Indicators:
- Unusually high request frequency from single IPs
- Repeated identical requests in short timeframes
- Error logs showing resource exhaustion
Network Indicators:
- Spike in HTTP requests to Open Social endpoints
- Abnormal traffic patterns from single sources
SIEM Query:
source="web_logs" | stats count by src_ip, uri | where count > 1000 | sort -count