CVE-2023-41082
📋 TL;DR
This vulnerability in Intel CST software allows an authenticated local user to trigger a null pointer dereference, potentially causing a denial of service. It affects systems running vulnerable versions of Intel CST software. The impact is limited to local authenticated users who can crash the software.
💻 Affected Systems
- Intel(R) CST software
⚠️ 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
Authenticated local user crashes the Intel CST software, causing denial of service for that application and potentially affecting dependent services.
Likely Case
Authenticated user accidentally or intentionally triggers the null pointer dereference, causing the CST software to crash and requiring restart.
If Mitigated
With proper access controls limiting local user privileges, the impact is minimal as only authorized users could trigger the crash.
🎯 Exploit Status
Exploitation requires authenticated local access. The vulnerability is a straightforward null pointer dereference that could be triggered through normal software usage or targeted actions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.1.10300 or later
Vendor Advisory: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01021.html
Restart Required: Yes
Instructions:
1. Download Intel CST software version 2.1.10300 or later from Intel's official website. 2. Install the update following Intel's installation instructions. 3. Restart the system or restart the CST software service.
🔧 Temporary Workarounds
Restrict local user access
allLimit which local users have access to the Intel CST software to reduce attack surface
Monitor for crashes
allImplement monitoring for CST software crashes and investigate any occurrences
🧯 If You Can't Patch
- Implement strict access controls to limit which users can interact with Intel CST software
- Monitor system logs for CST software crashes and investigate any suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check the installed version of Intel CST software. If version is earlier than 2.1.10300, the system is vulnerable.Check Version:
Check the software version through the CST software interface or consult system documentation for version checking methods.Verify Fix Applied:
Verify that Intel CST software version is 2.1.10300 or later after applying the update.📡 Detection & Monitoring
Log Indicators:
- Unexpected crashes or termination of Intel CST software processes
- Access denied errors from unauthorized users attempting to access CST software
Network Indicators:
- No network indicators as this is a local vulnerability
SIEM Query:
Search for process termination events related to Intel CST software executables