CVE-2019-3493
📋 TL;DR
This vulnerability in Micro Focus Network Automation and Network Operations Management software allows remote attackers to execute arbitrary code on affected systems. It affects all versions of Network Operations Management and specific versions of Network Automation Software. The vulnerability can be exploited remotely without authentication.
💻 Affected Systems
- Micro Focus Network Automation Software
- Micro Focus Network Operations Management
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attacker to install malware, steal data, pivot to other systems, or disrupt network operations.
Likely Case
Attacker gains full control of the affected system, potentially using it as a foothold for lateral movement within the network.
If Mitigated
If properly segmented and monitored, impact limited to isolated system with detection of unauthorized access attempts.
🎯 Exploit Status
Vendor advisory indicates remote exploitation without authentication is possible, suggesting relatively straightforward exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Network Automation: 2018.11 Update 1 or later; Network Operations Management: Apply latest security patches
Vendor Advisory: https://softwaresupport.softwaregrp.com/doc/KM03407763
Restart Required: Yes
Instructions:
1. Review vendor advisory KM03407763. 2. Download appropriate patches from Micro Focus support portal. 3. Apply patches following vendor documentation. 4. Restart affected services/systems. 5. Verify patch application.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected systems from untrusted networks and limit access to authorized management networks only.
Access Control Restrictions
allImplement strict firewall rules to limit access to affected systems to only necessary IP addresses.
🧯 If You Can't Patch
- Immediately isolate affected systems from internet and untrusted networks
- Implement strict network segmentation and monitor for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check software version against affected versions list. Review system logs for unusual access patterns or unexpected processes.Check Version:
Check within software administration interface or consult vendor documentation for version checking commands.Verify Fix Applied:
Verify installed version is patched (Network Automation 2018.11 Update 1 or later). Check vendor patch documentation for specific verification steps.📡 Detection & Monitoring
Log Indicators:
- Unexpected process execution
- Unusual network connections from affected systems
- Authentication bypass attempts
- System configuration changes
Network Indicators:
- Unusual outbound connections from affected systems
- Traffic patterns inconsistent with normal operations
- Exploit attempt signatures in network traffic
SIEM Query:
Search for: process execution from network automation services, unexpected command execution, authentication failures followed by successful access