CVE-2022-38102
📋 TL;DR
This vulnerability in Intel's Converged Security and Management Engine firmware allows privileged users to cause denial of service through improper input validation. It affects systems with vulnerable Intel CSME firmware versions, requiring local access to exploit.
💻 Affected Systems
- Intel Converged Security and Management Engine (CSME)
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
System becomes completely unresponsive or crashes, requiring physical intervention to restore functionality.
Likely Case
Temporary service disruption affecting CSME-dependent features like Intel AMT, TPM, or platform security services.
If Mitigated
Minimal impact with proper access controls preventing unauthorized privileged access.
🎯 Exploit Status
Requires local privileged access. No public exploit code available at time of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 15.0.45 or later, 16.1.27 or later
Vendor Advisory: http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00783.html
Restart Required: Yes
Instructions:
1. Check current CSME firmware version. 2. Download updated firmware from Intel or OEM vendor. 3. Apply firmware update following manufacturer instructions. 4. Reboot system to complete installation.
🔧 Temporary Workarounds
Restrict local privileged access
allLimit local administrator/root access to essential personnel only
Implement least privilege
allEnsure users only have necessary privileges for their roles
🧯 If You Can't Patch
- Implement strict access controls to limit local privileged access
- Monitor for unusual system behavior or CSME-related crashes
🔍 How to Verify
Check if Vulnerable:
Check CSME firmware version using Intel System Support Utility or OEM-specific toolsCheck Version:
On Windows: wmic csproduct get version. On Linux: dmidecode -t bios or check with Intel MEInfo toolVerify Fix Applied:
Verify CSME firmware version is 15.0.45+ or 16.1.27+ after update📡 Detection & Monitoring
Log Indicators:
- CSME/ME firmware crash logs
- System instability events
- Unexpected reboots
Network Indicators:
- None - local exploit only
SIEM Query:
EventID: 1001 OR EventID: 41 (Windows System crashes) correlated with CSME/Intel ME components