CVE-2023-42668
📋 TL;DR
This vulnerability allows authenticated users with local access to Intel Server Boards to escalate privileges due to incorrect default permissions in onboard video driver software. It affects systems running Intel Server Boards based on Intel 62X Chipset with vulnerable driver versions. Attackers could gain elevated system access.
💻 Affected Systems
- Intel Server Boards based on Intel 62X Chipset
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
An authenticated attacker gains full administrative control over the server, potentially compromising all data and services.
Likely Case
An insider or compromised account escalates privileges to install malware, exfiltrate data, or maintain persistence.
If Mitigated
With proper access controls and monitoring, impact is limited to isolated systems with no critical data exposure.
🎯 Exploit Status
Requires authenticated local access and knowledge of driver manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 1.14 or later
Vendor Advisory: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00962.html
Restart Required: Yes
Instructions:
1. Download updated driver from Intel support site. 2. Install driver version 1.14 or later. 3. Reboot the server.
🔧 Temporary Workarounds
Restrict local access
allLimit physical and console access to authorized personnel only.
Monitor driver permissions
allRegularly audit file permissions on driver components.
🧯 If You Can't Patch
- Implement strict access controls to limit who can log into affected servers locally.
- Monitor for unusual privilege escalation attempts and driver modification activities.
🔍 How to Verify
Check if Vulnerable:
Check driver version in device manager or system information. If version is below 1.14, system is vulnerable.
Check Version:
On Windows: wmic path win32_pnpentity get caption,driverVersion | findstr /i "Intel Video"
Verify Fix Applied:
Confirm driver version is 1.14 or higher after update.
📡 Detection & Monitoring
Log Indicators:
- Unexpected driver installation/modification events
- Privilege escalation attempts in security logs
Network Indicators:
- None - local exploit only
SIEM Query:
EventID=4688 AND (ProcessName contains "driver" OR CommandLine contains "video")