CVE-2023-26278
📋 TL;DR
This vulnerability in IBM QRadar WinCollect Agent allows a local authenticated attacker to escalate privileges on the system. It affects users running WinCollect Agent versions 10.0 through 10.1.3. Attackers with local access can gain elevated system privileges.
💻 Affected Systems
- IBM QRadar WinCollect Agent
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with administrative privileges, allowing installation of malware, data theft, or lateral movement across the network.
Likely Case
Local privilege escalation leading to unauthorized access to sensitive data, system configuration changes, or persistence mechanisms.
If Mitigated
Limited impact if proper access controls and monitoring are in place, with attackers unable to gain initial local access.
🎯 Exploit Status
Exploitation requires local authenticated access. No public exploit code has been disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.1.4 or later
Vendor Advisory: https://www.ibm.com/support/pages/node/6999341
Restart Required: Yes
Instructions:
1. Download WinCollect Agent version 10.1.4 or later from IBM Fix Central. 2. Stop the WinCollect service. 3. Install the updated version. 4. Restart the service and verify functionality.
🔧 Temporary Workarounds
Restrict Local Access
windowsLimit local user access to systems running WinCollect Agent to only authorized administrators.
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized local access to affected systems.
- Monitor for privilege escalation attempts using security tools and audit logs.
🔍 How to Verify
Check if Vulnerable:
Check WinCollect Agent version in Windows Programs and Features or via command: wmic product where name='IBM QRadar WinCollect Agent' get versionCheck Version:
wmic product where name='IBM QRadar WinCollect Agent' get versionVerify Fix Applied:
Verify installed version is 10.1.4 or later using the same version check command.📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege escalation events in Windows Security logs (Event ID 4672, 4688)
- Unusual process creation by WinCollect Agent service
Network Indicators:
- Unusual outbound connections from WinCollect Agent systems
SIEM Query:
source='WinCollect' AND (event_id=4672 OR event_id=4688) AND user!='SYSTEM'