CVE-2024-57634
📋 TL;DR
This vulnerability in MonetDB Server's exp_copy component allows attackers to execute crafted SQL statements that cause a Denial of Service (DoS) by crashing or hanging the database server. It affects organizations running vulnerable versions of MonetDB Server, particularly those exposing the database to untrusted users or applications.
💻 Affected Systems
- MonetDB Server
📦 What is this software?
Monetdb by Monetdb
⚠️ Risk & Real-World Impact
Worst Case
Complete database server outage, making all data inaccessible until manual restart, potentially causing extended business disruption.
Likely Case
Intermittent service disruptions requiring database restarts, impacting application availability and performance.
If Mitigated
Limited impact with proper network segmentation and access controls, potentially only affecting isolated development environments.
🎯 Exploit Status
Requires ability to execute SQL statements. Likely requires database credentials or SQL injection vector. CWE-89 indicates SQL injection vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check GitHub issue for fixed version (likely v11.49.2 or later)
Vendor Advisory: https://github.com/MonetDB/MonetDB/issues/7435
Restart Required: No
Instructions:
1. Check the GitHub issue for patch availability. 2. Upgrade to the patched version. 3. Test in non-production first. 4. Apply to production systems.
🔧 Temporary Workarounds
Restrict SQL Statement Execution
allLimit which users/applications can execute SQL statements and implement input validation
Network Segmentation
allRestrict database access to only trusted application servers using firewall rules
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries in all applications accessing the database
- Deploy network-based intrusion prevention systems (IPS) to detect and block suspicious SQL patterns
🔍 How to Verify
Check if Vulnerable:
Check MonetDB version: SELECT value FROM sys.version(); If version is v11.49.1, system is vulnerable.Check Version:
SELECT value FROM sys.version();Verify Fix Applied:
After patching, verify version is updated and test with safe SQL statements to ensure normal operation.📡 Detection & Monitoring
Log Indicators:
- Database crash logs
- Unusual SQL statement patterns
- Multiple failed connection attempts
Network Indicators:
- Unusual SQL traffic patterns
- Repeated similar SQL statements
SIEM Query:
source="monetdb.log" AND ("crash" OR "segfault" OR "abnormal termination")