CVE-2024-31757
📋 TL;DR
This vulnerability in TeraByte Unlimited Image for Windows allows a local attacker to escalate privileges through the TBOFLHelper64.sys and TBOFLHelper.sys driver components. Attackers with initial access to a system can gain higher privileges, potentially compromising the entire machine. Users of Image for Windows versions 3.64.0.0 and earlier are affected.
💻 Affected Systems
- TeraByte Unlimited Image for Windows
⚠️ 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
Complete system compromise where an attacker gains SYSTEM/administrator privileges, enabling installation of persistent malware, credential theft, lateral movement, and data exfiltration.
Likely Case
Local privilege escalation allowing attackers to bypass security controls, install additional tools, and maintain persistence on compromised systems.
If Mitigated
Limited impact if proper endpoint protection, least privilege principles, and driver signature enforcement are in place.
🎯 Exploit Status
Requires local access to the system. Driver vulnerabilities often have low exploitation complexity once the vulnerability details are understood.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v4.0.0.0
Vendor Advisory: https://www.terabyteunlimited.com/image-for-windows/
Restart Required: Yes
Instructions:
1. Download Image for Windows v4.0.0.0 or later from the vendor website. 2. Uninstall the vulnerable version. 3. Install the updated version. 4. Restart the system to ensure vulnerable drivers are replaced.
🔧 Temporary Workarounds
Remove vulnerable drivers
windowsManually remove or disable the vulnerable driver files to prevent exploitation
sc stop TBOFLHelper64
sc stop TBOFLHelper
sc delete TBOFLHelper64
sc delete TBOFLHelper
del C:\Windows\System32\drivers\TBOFLHelper64.sys
del C:\Windows\System32\drivers\TBOFLHelper.sys
Block driver loading via Group Policy
windowsUse Windows Group Policy to block loading of the vulnerable drivers
Computer Configuration > Administrative Templates > System > Driver Installation > Code signing for device drivers: Enable and set to 'Block'
🧯 If You Can't Patch
- Implement strict least privilege principles to limit initial access opportunities
- Use application control solutions to block execution of unauthorized binaries and drivers
🔍 How to Verify
Check if Vulnerable:
Check Image for Windows version via Help > About or verify driver versions: driverquery | findstr TBOFLHelperCheck Version:
"C:\Program Files\TeraByte Unlimited\Image for Windows\ifw.exe" --version or check Help > About in the applicationVerify Fix Applied:
Confirm Image for Windows version is 4.0.0.0 or later and vulnerable drivers are not present📡 Detection & Monitoring
Log Indicators:
- Event ID 7045: Service installation for TBOFLHelper/TBOFLHelper64
- Driver load events for vulnerable drivers
- Privilege escalation attempts in security logs
Network Indicators:
- Unusual outbound connections following local privilege escalation
SIEM Query:
EventID=7045 AND (ServiceName="TBOFLHelper" OR ServiceName="TBOFLHelper64")