CVE-2024-47476
📋 TL;DR
Dell NetWorker Management Console versions 19.11 contain an improper cryptographic signature verification vulnerability. An unauthenticated attacker with local access could execute arbitrary code on affected systems. This affects organizations using Dell NetWorker for backup management.
💻 Affected Systems
- Dell NetWorker Management Console
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining administrative privileges, data exfiltration, and lateral movement across the network.
Likely Case
Local privilege escalation leading to unauthorized access to backup data and management functions.
If Mitigated
Limited impact due to network segmentation and restricted local access controls.
🎯 Exploit Status
Requires local access to the system, which reduces widespread exploitation risk but increases insider threat potential.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply updates per Dell advisory DSA-2024-477
Restart Required: No
Instructions:
1. Review Dell advisory DSA-2024-477. 2. Download appropriate patches from Dell Support. 3. Apply patches to affected NetWorker Management Console installations. 4. Verify successful installation.
🔧 Temporary Workarounds
Restrict Local Access
allLimit physical and remote local access to NetWorker Management Console systems to authorized personnel only.
🧯 If You Can't Patch
- Implement strict access controls to limit who can access NetWorker Management Console systems locally.
- Monitor system logs for suspicious local authentication attempts or privilege escalation activities.
🔍 How to Verify
Check if Vulnerable:
Check NetWorker Management Console version via 'nsr -v' command or through console interface.Check Version:
nsr -vVerify Fix Applied:
Verify version is updated beyond vulnerable 19.11 release and check for successful patch installation logs.📡 Detection & Monitoring
Log Indicators:
- Unexpected local authentication attempts
- Unusual process execution from NetWorker directories
- Failed cryptographic verification logs
Network Indicators:
- Unusual local network traffic from NetWorker systems
SIEM Query:
source="NetWorker" AND (event_type="authentication" OR event_type="process_execution") AND result="failure"