CVE-2024-31074
📋 TL;DR
This vulnerability in Intel QAT Engine for OpenSSL allows attackers to infer sensitive information through timing side-channel attacks during cryptographic operations. It affects systems using vulnerable versions of Intel QAT Engine for OpenSSL before v1.6.1. The risk primarily impacts systems performing cryptographic operations over networks.
💻 Affected Systems
- Intel QAT Engine for OpenSSL
⚠️ 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
Attackers could recover private keys or other cryptographic secrets through timing analysis, potentially compromising TLS/SSL connections and encrypted data.
Likely Case
Information leakage about cryptographic operations, potentially revealing partial information about encrypted data or keys in controlled network environments.
If Mitigated
Limited impact with proper network segmentation and monitoring, though timing attacks remain difficult to fully mitigate without patching.
🎯 Exploit Status
Timing attacks require precise measurements and controlled conditions. Exploitation is non-trivial but possible with sufficient resources.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v1.6.1
Vendor Advisory: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01177.html
Restart Required: Yes
Instructions:
1. Download Intel QAT Engine v1.6.1 or later from Intel's website. 2. Stop services using QAT Engine. 3. Install the updated version. 4. Restart affected services. 5. Verify the update was successful.
🔧 Temporary Workarounds
Disable QAT Engine
allTemporarily disable Intel QAT Engine to eliminate the vulnerability
Modify OpenSSL configuration to remove QAT Engine loading
Set OPENSSL_ENGINES environment variable to exclude QAT
Network Rate Limiting
linuxImplement network traffic shaping to obscure timing differences
Use tc or similar tools to add jitter to network traffic
🧯 If You Can't Patch
- Implement strict network segmentation to limit access to systems using QAT Engine
- Monitor for unusual network patterns and timing analysis attempts
🔍 How to Verify
Check if Vulnerable:
Check QAT Engine version: openssl engine -t qatCheck Version:
openssl engine -c qat | grep -i versionVerify Fix Applied:
Verify version is v1.6.1 or later: openssl engine -c qat📡 Detection & Monitoring
Log Indicators:
- Unusual timing patterns in cryptographic operations
- Multiple failed connection attempts with precise timing
Network Indicators:
- Abnormally consistent request-response timing patterns
- Repeated cryptographic operations from single sources
SIEM Query:
source="network_traffic" AND (event_type="tls_handshake" OR event_type="crypto_op") AND response_time < threshold