CVE-2024-31477
📋 TL;DR
This CVE describes authenticated command injection vulnerabilities in HPE Aruba Networking products that allow attackers with CLI access to execute arbitrary commands as privileged users on the underlying operating system. The vulnerability affects multiple HPE Aruba Networking products and requires authentication to exploit.
💻 Affected Systems
- HPE Aruba Networking ClearPass Policy Manager
- HPE Aruba Networking Central
📦 What is this software?
Arubaos by Arubanetworks
Arubaos by Arubanetworks
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with root/administrator access, allowing data theft, ransomware deployment, network pivoting, and persistent backdoor installation.
Likely Case
Privilege escalation from authenticated user to root access, enabling lateral movement within the network and data exfiltration.
If Mitigated
Limited impact if proper network segmentation, least privilege access, and monitoring are in place to detect and contain exploitation attempts.
🎯 Exploit Status
Exploitation requires authenticated CLI access but is straightforward once authentication is obtained. No public exploit code is available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: ClearPass Policy Manager: 6.11.8, 6.10.9, 6.9.13, 6.8.15, 6.7.17; Aruba Central: 2024-03-27 release
Vendor Advisory: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw04647en_us&docLocale=en_US
Restart Required: Yes
Instructions:
1. Download the appropriate patch from HPE support portal. 2. Backup current configuration. 3. Apply patch following vendor instructions. 4. Restart the appliance. 5. Verify patch installation and system functionality.
🔧 Temporary Workarounds
Restrict CLI Access
allLimit CLI access to only necessary administrative users and implement strong authentication controls.
# Configure access control lists and user permissions per vendor documentation
Network Segmentation
linuxIsolate management interfaces from general network access and implement strict firewall rules.
# Example iptables rule: iptables -A INPUT -p tcp --dport 22 -s trusted_network -j ACCEPT
# iptables -A INPUT -p tcp --dport 22 -j DROP
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected systems from critical assets
- Enforce multi-factor authentication and strong password policies for all administrative accounts
🔍 How to Verify
Check if Vulnerable:
Check current version against affected versions list. For ClearPass: Admin UI → System → About. For Aruba Central: Dashboard → System → About.Check Version:
ClearPass: 'show version' in CLI or check Admin UI. Aruba Central: Check version in web interface.Verify Fix Applied:
Verify installed version matches patched versions: ClearPass 6.11.8+, 6.10.9+, 6.9.13+, 6.8.15+, 6.7.17+ or Aruba Central 2024-03-27+.📡 Detection & Monitoring
Log Indicators:
- Unusual CLI command execution patterns
- Multiple failed authentication attempts followed by successful login
- Commands with shell metacharacters in CLI logs
- Privilege escalation attempts in system logs
Network Indicators:
- Unusual outbound connections from management interfaces
- Traffic to unexpected ports from affected systems
- SSH/Telnet connections from unauthorized sources
SIEM Query:
source="clearpass" OR source="aruba_central" AND (command="*;*" OR command="*|*" OR command="*`*" OR command="*$(*" OR command="*&*" OR command="*>" OR command="*<*")