CVE-2025-31645
📋 TL;DR
This CVE describes an uncontrolled search path vulnerability (DLL hijacking) in System Event Log Viewer Utility software that allows local authenticated attackers to escalate privileges. Attackers could place malicious DLLs in directories searched by the application to execute arbitrary code with higher privileges. This affects all versions of the software running in user-space (Ring 3) on Windows systems.
💻 Affected Systems
- System Event Log Viewer Utility
⚠️ 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
Full system compromise via privilege escalation to SYSTEM/Administrator level, allowing complete control over the affected system, data theft, and persistence establishment.
Likely Case
Limited privilege escalation within the user context, potentially gaining additional permissions or accessing restricted resources on the local system.
If Mitigated
Attack fails due to proper access controls, application hardening, or user not executing the vulnerable software in a compromised environment.
🎯 Exploit Status
Requires authenticated user access, local execution, and specific conditions for DLL placement. Attack complexity is rated high per the CVE description.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Intel advisory for specific patched versions
Vendor Advisory: https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01380.html
Restart Required: Yes
Instructions:
1. Review Intel advisory SA-01380. 2. Download and install the latest version of System Event Log Viewer Utility from official Intel sources. 3. Restart the system to ensure changes take effect.
🔧 Temporary Workarounds
Restrict DLL search path
windowsUse application control policies to restrict where the utility can load DLLs from
Using Windows AppLocker or similar: New rule to block DLL execution from user-writable directories
Remove or restrict utility
windowsUninstall the utility if not needed, or restrict execution to privileged users only
Uninstall via Control Panel or: wmic product where name="System Event Log Viewer Utility" call uninstall
Set executable permissions to Administrators only
🧯 If You Can't Patch
- Implement strict least privilege - ensure users don't have write access to directories in the DLL search path
- Monitor for suspicious DLL loads from unusual locations using endpoint detection tools
🔍 How to Verify
Check if Vulnerable:
Check if System Event Log Viewer Utility is installed and which version. Review Intel advisory for vulnerable version ranges.Check Version:
wmic product where name="System Event Log Viewer Utility" get versionVerify Fix Applied:
Verify the utility version matches or exceeds the patched version listed in Intel advisory. Test DLL loading behavior.📡 Detection & Monitoring
Log Indicators:
- Windows Event Logs: Process creation from the utility loading DLLs from unusual paths
- Security logs: Unauthorized privilege escalation attempts
Network Indicators:
- None - this is a local attack
SIEM Query:
source="Windows Security" AND event_id=4688 AND process_name="*Event Log Viewer*" AND (parent_process NOT IN expected_parents OR command_line CONTAINS suspicious_dll_path)