CVE-2023-22767
📋 TL;DR
CVE-2023-22767 allows authenticated attackers to execute arbitrary commands with privileged access on ArubaOS devices through command injection in the CLI. This affects network administrators and organizations using vulnerable Aruba networking equipment. Attackers can gain full control of affected devices.
💻 Affected Systems
- ArubaOS
📦 What is this software?
Arubaos by Arubanetworks
Arubaos by Arubanetworks
Arubaos by Arubanetworks
Sd Wan by Arubanetworks
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of network infrastructure, lateral movement to other systems, data exfiltration, and persistent backdoor installation.
Likely Case
Network disruption, configuration changes, credential theft, and monitoring of network traffic.
If Mitigated
Limited to authenticated users only, with proper network segmentation reducing lateral movement potential.
🎯 Exploit Status
Requires authenticated access but command injection is straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Aruba advisory for specific fixed versions
Vendor Advisory: https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-002.txt
Restart Required: Yes
Instructions:
1. Review Aruba advisory ARUBA-PSA-2023-002. 2. Identify affected devices. 3. Download and apply appropriate firmware updates. 4. Reboot devices after patching.
🔧 Temporary Workarounds
Restrict CLI Access
allLimit CLI access to trusted administrators only using access control lists
configure terminal
access-list standard CLI-ACCESS
permit host [TRUSTED_IP]
deny any
line vty 0 15
access-class CLI-ACCESS in
Implement Command Authorization
allUse TACACS+ or RADIUS with command authorization to restrict available commands
aaa authorization exec default group tacacs+ local
aaa authorization commands 15 default group tacacs+ local
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Aruba devices
- Enforce multi-factor authentication for all administrative access
🔍 How to Verify
Check if Vulnerable:
Check ArubaOS version against advisory ARUBA-PSA-2023-002Check Version:
show versionVerify Fix Applied:
Verify firmware version is updated to patched release and test CLI functionality📡 Detection & Monitoring
Log Indicators:
- Unusual CLI command patterns
- Multiple failed authentication attempts followed by successful login
- Execution of system commands via CLI
Network Indicators:
- Unexpected outbound connections from Aruba devices
- Anomalous traffic patterns from management interfaces
SIEM Query:
source="aruba_logs" AND (event_type="cli_command" AND command=~"system|exec|shell|.*[;&|].*")