CVE-2024-57647
📋 TL;DR
A SQL injection vulnerability in the row_insert_cast component of OpenLink Virtuoso OpenSource allows attackers to execute crafted SQL statements that cause denial of service. This affects systems running vulnerable versions of the Virtuoso database server. Database administrators and applications using Virtuoso as their backend are at risk.
💻 Affected Systems
- OpenLink Virtuoso OpenSource
📦 What is this software?
Virtuoso by Openlinksw
⚠️ Risk & Real-World Impact
Worst Case
Complete database unavailability through resource exhaustion or crash, disrupting all dependent applications and services.
Likely Case
Partial or intermittent service degradation affecting database performance and availability for users.
If Mitigated
Minimal impact with proper input validation, query parameterization, and network segmentation in place.
🎯 Exploit Status
Exploitation requires ability to execute SQL statements against the database, typically through application interfaces or direct database access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check GitHub issue for latest patched version
Vendor Advisory: https://github.com/openlink/virtuoso-opensource/issues/1207
Restart Required: No
Instructions:
1. Monitor the GitHub issue for patch release. 2. Update to the patched version when available. 3. Test in non-production environment first. 4. Apply to production systems during maintenance window.
🔧 Temporary Workarounds
Input Validation and Parameterization
allImplement strict input validation and use parameterized queries/prepared statements for all database operations.
Network Access Restrictions
allRestrict database access to only trusted application servers and administrators using firewall rules.
🧯 If You Can't Patch
- Implement web application firewall (WAF) with SQL injection detection rules
- Monitor database performance metrics and logs for unusual query patterns
🔍 How to Verify
Check if Vulnerable:
Check Virtuoso version: SELECT sys_stat('st_dbms_version'); If version is v7.2.11 or earlier, assume vulnerable.Check Version:
SELECT sys_stat('st_dbms_version');Verify Fix Applied:
After patching, verify version is updated and test with safe SQL injection test queries.📡 Detection & Monitoring
Log Indicators:
- Unusually complex SQL queries
- Multiple failed query attempts
- Database crash/restart events
- High CPU/memory usage from database processes
Network Indicators:
- Unusual SQL query patterns from application servers
- Multiple connection attempts with malformed queries
SIEM Query:
source="virtuoso.log" AND ("error" OR "crash" OR "timeout") AND "sql"