CVE-2024-51766
📋 TL;DR
A denial-of-service vulnerability in HPE NonStop DISK UTIL (T9208) allows attackers to crash NonStop servers by exploiting improper condition handling. This affects all prior versions of DISK UTIL on L-series and J-series NonStop systems. Organizations running these HPE NonStop systems are vulnerable.
💻 Affected Systems
- HPE NonStop DISK UTIL (T9208)
⚠️ 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 crash requiring manual intervention to restore NonStop server availability, potentially disrupting critical transaction processing.
Likely Case
Service disruption affecting disk utility operations and dependent services on the NonStop server.
If Mitigated
Limited impact if systems are isolated and have proper monitoring for DoS attempts.
🎯 Exploit Status
Requires access to execute DISK UTIL commands. No public exploit details available as of advisory publication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to latest DISK UTIL version as specified in HPE advisory
Vendor Advisory: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbns04759en_us&docLocale=en_US
Restart Required: Yes
Instructions:
1. Review HPE advisory for specific patch details. 2. Apply HPE-provided update for DISK UTIL (T9208). 3. Restart affected NonStop systems. 4. Verify patch application.
🔧 Temporary Workarounds
Restrict DISK UTIL access
allLimit access to DISK UTIL commands to authorized administrators only
Configure NonStop security to restrict T9208 utility execution
Monitor for DoS attempts
allImplement monitoring for unusual DISK UTIL activity or system crashes
Set up alerts for system crashes or DISK UTIL anomalies
🧯 If You Can't Patch
- Implement strict access controls to limit who can execute DISK UTIL commands
- Monitor system logs for crash events and DISK UTIL usage patterns
🔍 How to Verify
Check if Vulnerable:
Check DISK UTIL version on NonStop systems and compare against patched versions in HPE advisoryCheck Version:
Use NonStop system commands to check T9208 version (specific command varies by NonStop configuration)Verify Fix Applied:
Verify DISK UTIL version after update matches patched version from HPE advisory📡 Detection & Monitoring
Log Indicators:
- System crash logs
- Unexpected DISK UTIL process termination
- High frequency of DISK UTIL command execution
Network Indicators:
- Unusual administrative access patterns to NonStop systems
SIEM Query:
source="NonStop" AND (event_type="crash" OR process="T9208" AND termination="abnormal")