CVE-2024-26159
📋 TL;DR
This vulnerability in Microsoft ODBC Driver allows remote attackers to execute arbitrary code by sending specially crafted requests to affected systems. It affects applications using vulnerable ODBC drivers for database connectivity. Systems with ODBC-enabled applications exposed to untrusted input are at risk.
💻 Affected Systems
- Microsoft ODBC Driver
📦 What is this software?
Windows 10 1507 by Microsoft
Windows 10 1607 by Microsoft
Windows 10 1809 by Microsoft
Windows 10 21h2 by Microsoft
Windows 10 22h2 by Microsoft
Windows 11 21h2 by Microsoft
Windows 11 22h2 by Microsoft
Windows 11 23h2 by Microsoft
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining SYSTEM/root privileges, data exfiltration, ransomware deployment, and persistent backdoor installation.
Likely Case
Application compromise leading to data theft, lateral movement within network, and potential privilege escalation.
If Mitigated
Limited impact with proper network segmentation, application sandboxing, and least privilege principles in place.
🎯 Exploit Status
CWE-122 indicates heap-based buffer overflow; exploitation requires sending malicious data to ODBC interface
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Latest Microsoft security updates
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26159
Restart Required: Yes
Instructions:
1. Apply latest Windows security updates via Windows Update. 2. Update ODBC drivers to latest versions. 3. Restart affected systems.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to ODBC-enabled applications
Application Control
windowsUse application whitelisting to prevent unauthorized code execution
🧯 If You Can't Patch
- Implement strict input validation and sanitization for ODBC queries
- Deploy network-based intrusion prevention systems to detect exploit attempts
🔍 How to Verify
Check if Vulnerable:
Check ODBC driver version against Microsoft advisory; examine system for applications using ODBC connectivityCheck Version:
odbcad32.exe (Windows ODBC Data Source Administrator) shows driver versionsVerify Fix Applied:
Verify Windows Update history shows latest security patches installed; confirm ODBC driver versions are updated📡 Detection & Monitoring
Log Indicators:
- Unusual ODBC connection attempts
- Application crashes related to odbc32.dll
- Suspicious process creation from ODBC-related processes
Network Indicators:
- Anomalous database connection patterns
- Unexpected network traffic to database ports from unusual sources
SIEM Query:
EventID=4688 AND (ProcessName LIKE '%odbc%' OR ParentProcessName LIKE '%odbc%') AND CommandLine CONTAINS suspicious_pattern