CVE-2024-23980
📋 TL;DR
This vulnerability in the PlatformPfrDxe driver of UEFI firmware for certain Intel Server D50FCP Family products allows a privileged user to escalate privileges via local access due to improper buffer restrictions. It affects servers with vulnerable UEFI firmware versions. Exploitation could lead to complete system compromise.
💻 Affected Systems
- Intel Server D50FCP Family products
⚠️ 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 takeover with persistent firmware-level access, allowing attacker to bypass all security controls, install persistent malware, and potentially compromise other systems on the network.
Likely Case
Privilege escalation from a lower-privileged local user to SYSTEM/root level access, enabling installation of malware, data theft, and lateral movement.
If Mitigated
Limited impact if proper access controls restrict local privileged users and firmware updates are managed through secure processes.
🎯 Exploit Status
Requires local privileged access to exploit. No public exploit code available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Intel advisory for specific firmware versions
Vendor Advisory: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01080.html
Restart Required: Yes
Instructions:
1. Download updated UEFI firmware from Intel support site. 2. Follow manufacturer's firmware update procedures. 3. Reboot server to apply firmware update. 4. Verify firmware version after update.
🔧 Temporary Workarounds
Restrict Physical Access
allLimit physical and console access to affected servers to trusted personnel only.
Implement Least Privilege
allRestrict local administrative privileges to minimize attack surface.
🧯 If You Can't Patch
- Isolate affected servers in separate network segments with strict access controls
- Implement enhanced monitoring for privilege escalation attempts and unusual firmware activity
🔍 How to Verify
Check if Vulnerable:
Check UEFI firmware version against Intel advisory. Use manufacturer-specific tools or BIOS/UEFI setup to view firmware version.Check Version:
Manufacturer-specific commands vary. Typically requires accessing BIOS/UEFI setup or using vendor management tools.Verify Fix Applied:
Verify firmware version has been updated to patched version listed in Intel advisory.📡 Detection & Monitoring
Log Indicators:
- Unexpected firmware modification attempts
- Privilege escalation events
- Unusual local user activity
Network Indicators:
- Unusual outbound connections from server management interfaces
SIEM Query:
Search for events related to firmware updates, privilege escalation, or unauthorized local access attempts on affected server models.