CVE-2023-22769
📋 TL;DR
This CVE describes authenticated command injection vulnerabilities in ArubaOS command line interface. Attackers with valid credentials can execute arbitrary commands as privileged users on the underlying operating system. This affects Aruba networking devices running vulnerable versions of ArubaOS.
💻 Affected Systems
- Aruba Mobility Controllers
- ArubaOS
📦 What is this software?
Arubaos by Arubanetworks
Arubaos by Arubanetworks
Arubaos by Arubanetworks
Sd Wan by Arubanetworks
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise allowing attackers to install persistent backdoors, steal sensitive data, pivot to other network segments, or disrupt network operations.
Likely Case
Privilege escalation leading to unauthorized access to network configurations, interception of network traffic, or deployment of malicious software on affected devices.
If Mitigated
Limited impact if strong access controls, network segmentation, and monitoring are in place to detect and contain exploitation attempts.
🎯 Exploit Status
Exploitation requires valid credentials. The command injection vulnerability allows bypassing command restrictions once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: ArubaOS 8.10.0.6, 8.9.0.10, 8.8.0.13, 8.7.1.15, 8.6.0.19 or later
Vendor Advisory: https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-002.txt
Restart Required: Yes
Instructions:
1. Download the appropriate patched version from Aruba support portal. 2. Backup current configuration. 3. Upload and install the new firmware. 4. Reboot the device. 5. Verify the update was successful.
🔧 Temporary Workarounds
Restrict CLI Access
allLimit CLI access to trusted administrative users only and implement strong authentication controls.
Network Segmentation
allIsolate management interfaces from untrusted networks and implement strict firewall rules.
🧯 If You Can't Patch
- Implement strict access controls and multi-factor authentication for administrative accounts
- Monitor CLI access logs for suspicious activity and implement network segmentation
🔍 How to Verify
Check if Vulnerable:
Check ArubaOS version via CLI: 'show version' and compare against affected versions list.
Check Version:
show version
Verify Fix Applied:
After patching, run 'show version' to confirm version is 8.10.0.6, 8.9.0.10, 8.8.0.13, 8.7.1.15, 8.6.0.19 or later.
📡 Detection & Monitoring
Log Indicators:
- Unusual CLI command patterns
- Multiple failed authentication attempts followed by successful login
- Execution of unexpected system commands
Network Indicators:
- Unusual outbound connections from management interfaces
- Traffic patterns inconsistent with normal administrative activity
SIEM Query:
source="aruba_logs" AND (event_type="cli_command" AND command="*;*" OR command="*|*" OR command="*`*")