CVE-2023-45622
📋 TL;DR
Unauthenticated attackers can exploit vulnerabilities in the BLE daemon service via the PAPI protocol to cause Denial-of-Service (DoS) on affected Aruba access points. This disrupts normal wireless network operations, affecting organizations using vulnerable Aruba networking equipment.
💻 Affected Systems
- Aruba Access Points
📦 What is this software?
Arubaos by Arubanetworks
Arubaos by Arubanetworks
⚠️ Risk & Real-World Impact
Worst Case
Complete disruption of wireless network services across multiple access points, causing extended downtime for connected users and devices.
Likely Case
Temporary service interruption on individual access points, requiring manual intervention to restore functionality.
If Mitigated
Minimal impact with proper network segmentation and access controls limiting exposure to the vulnerable service.
🎯 Exploit Status
Unauthenticated exploitation via network packets to PAPI protocol; no authentication required
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Aruba advisory ARUBA-PSA-2023-017 for specific patched versions
Vendor Advisory: https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-017.txt
Restart Required: Yes
Instructions:
1. Review Aruba advisory ARUBA-PSA-2023-017. 2. Identify affected AP models and versions. 3. Download and apply appropriate firmware updates from Aruba support portal. 4. Reboot affected access points after patching.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to PAPI protocol on affected access points
Configure firewall rules to block external access to PAPI ports (typically UDP 8211)
Disable Unnecessary Services
allDisable BLE daemon if not required for operations
Consult Aruba documentation for BLE service disable commands
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to PAPI protocol
- Monitor for DoS attempts and implement rate limiting where possible
🔍 How to Verify
Check if Vulnerable:
Check Aruba advisory ARUBA-PSA-2023-017 for affected versions and compare with your AP firmware versionsCheck Version:
show version (on Aruba AP CLI)Verify Fix Applied:
Verify firmware version matches patched versions listed in Aruba advisory after update📡 Detection & Monitoring
Log Indicators:
- Unexpected AP reboots
- BLE service crashes
- High volume of PAPI protocol traffic
Network Indicators:
- Unusual UDP traffic to port 8211
- Multiple connection attempts to PAPI service
SIEM Query:
source="aruba_ap" AND (event_type="crash" OR event_type="reboot") OR dest_port=8211 AND protocol=UDP