CVE-2024-21843

6.7 MEDIUM

📋 TL;DR

This vulnerability in Intel Computing Improvement Program software allows authenticated local users to escalate privileges by manipulating the search path for DLL files. It affects systems running vulnerable versions of this Intel software, primarily on Windows platforms.

💻 Affected Systems

Products:
  • Intel(R) Computing Improvement Program
Versions: All versions before 2.4.0.10654
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Requires Intel Computing Improvement Program software to be installed. Typically comes pre-installed on many Intel-based systems.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

An authenticated attacker gains SYSTEM/administrator privileges on the local machine, enabling complete system compromise, data theft, and persistence establishment.

🟠

Likely Case

Local authenticated users (including low-privilege accounts) escalate to administrator privileges to install malware, modify system configurations, or access protected data.

🟢

If Mitigated

With proper access controls and patching, the risk is limited to authorized users who would already have some level of system access.

🌐 Internet-Facing: LOW - This requires local authenticated access, not remotely exploitable.
🏢 Internal Only: MEDIUM - Internal users with local accounts could exploit this, but requires authenticated access.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires local authenticated access and knowledge of DLL hijacking techniques. No public exploit code has been observed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.4.0.10654 or later

Vendor Advisory: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01059.html

Restart Required: Yes

Instructions:

1. Download Intel Computing Improvement Program version 2.4.0.10654 or later from Intel's website. 2. Run the installer. 3. Restart the system when prompted.

🔧 Temporary Workarounds

Remove vulnerable software

windows

Uninstall Intel Computing Improvement Program if not required

Control Panel > Programs > Uninstall a program > Select 'Intel(R) Computing Improvement Program' > Uninstall

Restrict DLL search path

windows

Configure Windows to restrict DLL search path behavior

Set registry key: HKLM\System\CurrentControlSet\Control\Session Manager\SafeDllSearchMode to 1

🧯 If You Can't Patch

  • Implement strict access controls to limit local user accounts
  • Monitor for suspicious DLL loading behavior using Windows Event Logs

🔍 How to Verify

Check if Vulnerable:

Check installed version of Intel Computing Improvement Program in Control Panel > Programs and Features

Check Version:

wmic product where name='Intel(R) Computing Improvement Program' get version

Verify Fix Applied:

Verify version is 2.4.0.10654 or later in Control Panel > Programs and Features

📡 Detection & Monitoring

Log Indicators:

  • Windows Event ID 4688 with process creation from unexpected locations
  • DLL loading from user-writable directories by Intel processes

Network Indicators:

  • No network indicators - local privilege escalation only

SIEM Query:

source="Windows Security" EventID=4688 AND (NewProcessName="*Intel*" OR ParentProcessName="*Intel*") AND CommandLine="*dll*"

🔗 References

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