CVE-2011-2715
📋 TL;DR
This SQL injection vulnerability in Drupal's Data module allows attackers to execute arbitrary SQL commands by manipulating table or column names. It affects Drupal 6.20 installations with Data module 6.x-1.0-alpha14, potentially leading to data theft, modification, or complete system compromise.
💻 Affected Systems
- Drupal
- Drupal Data module
📦 What is this software?
Data by Drupal
Drupal by Drupal
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data exfiltration, modification, or deletion; potential privilege escalation to administrative access; possible remote code execution through database functions.
Likely Case
Unauthorized data access and manipulation, extraction of sensitive information like user credentials, personal data, or configuration secrets.
If Mitigated
Limited impact with proper input validation and database permission restrictions, potentially only read access to non-sensitive data.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited; public exploit details exist in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Data module 6.x-1.0-alpha15 and later
Vendor Advisory: https://www.drupal.org/node/1056470
Restart Required: No
Instructions:
1. Update Data module to version 6.x-1.0-alpha15 or later. 2. Apply the patch from Drupal security advisory. 3. Clear Drupal caches. 4. Test functionality.
🔧 Temporary Workarounds
Disable Data module
allTemporarily disable the vulnerable Data module until patching is possible
drush pm-disable data
Or disable via Drupal admin interface at /admin/build/modules
Input validation filter
allImplement custom input validation for table and column name parameters
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block SQL injection patterns
- Restrict database user permissions to minimum required privileges
🔍 How to Verify
Check if Vulnerable:
Check Drupal version with 'drush status' or via admin/reports/status, then check Data module version in modules listCheck Version:
drush pm-list | grep dataVerify Fix Applied:
Confirm Data module version is 6.x-1.0-alpha15 or later, verify patch applied via module changelog📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts from single IP
- Unexpected database schema changes
Network Indicators:
- HTTP requests with SQL keywords in parameters
- Unusual traffic patterns to Data module endpoints
SIEM Query:
web_requests WHERE url CONTAINS 'data' AND (params CONTAINS 'UNION' OR params CONTAINS 'SELECT' OR params CONTAINS 'INSERT')