CVE-2023-22789
📋 TL;DR
This CVE describes authenticated command injection vulnerabilities in Aruba InstantOS and ArubaOS 10 command line interfaces. Attackers with authenticated access can execute arbitrary commands as privileged users on the underlying operating system. Organizations using affected Aruba networking products are vulnerable.
💻 Affected Systems
- Aruba InstantOS
- ArubaOS 10
📦 What is this software?
Arubaos by Arubanetworks
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the network device, lateral movement to other systems, data exfiltration, and persistent backdoor installation.
Likely Case
Network disruption, configuration changes, credential theft, and unauthorized access to connected systems.
If Mitigated
Limited impact due to network segmentation, strong authentication controls, and monitoring.
🎯 Exploit Status
Exploitation requires authenticated CLI access. Command injection vulnerabilities are typically straightforward to exploit once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to ARUBA-PSA-2023-006 for specific patched versions
Vendor Advisory: https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-006.txt
Restart Required: Yes
Instructions:
1. Review ARUBA-PSA-2023-006 advisory. 2. Identify affected devices and versions. 3. Download and apply appropriate firmware updates from Aruba support portal. 4. Reboot devices after update. 5. Verify update completion.
🔧 Temporary Workarounds
Restrict CLI Access
allLimit CLI access to trusted administrators only using network segmentation and access controls.
Implement Strong Authentication
allEnforce multi-factor authentication and strong password policies for administrative accounts.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Aruba devices from critical systems
- Enhance monitoring and alerting for unusual CLI activity and command execution patterns
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against vulnerable versions listed in ARUBA-PSA-2023-006Check Version:
show version (Aruba CLI command)Verify Fix Applied:
Verify firmware version matches patched versions in advisory and test CLI functionality📡 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 network devices
- Unexpected configuration changes
SIEM Query:
source="aruba_device" AND (event_type="cli_command" AND command="*;*" OR command="*|*" OR command="*`*" OR command="*$(*")