CVE-2024-31479
📋 TL;DR
Unauthenticated attackers can cause Denial of Service (DoS) in Aruba Central Communications service via PAPI protocol, disrupting normal operations. This affects Aruba Central and Mobility Conductor deployments using vulnerable versions. No authentication is required for exploitation.
💻 Affected Systems
- Aruba Central
- Aruba Mobility Conductor
📦 What is this software?
Arubaos by Arubanetworks
Arubaos by Arubanetworks
⚠️ Risk & Real-World Impact
Worst Case
Complete service disruption of Aruba Central communications, affecting network management and monitoring capabilities across managed devices.
Likely Case
Temporary service interruption requiring manual restart of affected services, impacting network operations until recovery.
If Mitigated
Minimal impact with proper network segmentation and access controls limiting PAPI protocol exposure.
🎯 Exploit Status
Vulnerability details are public but no known exploit code. Unauthenticated nature makes exploitation straightforward for attackers with network access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Aruba Central: 2024-03-27 or later; Mobility Conductor: 10.6.0.0 or later
Vendor Advisory: https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2024-006.txt
Restart Required: Yes
Instructions:
1. Log into Aruba Central admin portal. 2. Navigate to Maintenance > Software Updates. 3. Apply Central update to 2024-03-27 or later. 4. For Mobility Conductor: SSH to device, run 'update-software' command. 5. Reboot affected devices after update.
🔧 Temporary Workarounds
Restrict PAPI Protocol Access
allLimit network access to PAPI protocol ports (8211/tcp) using firewall rules to only trusted management networks.
# Example iptables rule: iptables -A INPUT -p tcp --dport 8211 -s TRUSTED_NETWORK -j ACCEPT
# iptables -A INPUT -p tcp --dport 8211 -j DROP
Network Segmentation
allIsolate Aruba Central and Mobility Conductor management interfaces on separate VLANs with strict access controls.
🧯 If You Can't Patch
- Implement strict network access controls to limit PAPI protocol (port 8211/tcp) to trusted management networks only.
- Deploy network monitoring and rate limiting for PAPI protocol traffic to detect and mitigate DoS attempts.
🔍 How to Verify
Check if Vulnerable:
Check Aruba Central version in admin portal under Maintenance > About. For Mobility Conductor: SSH to device and run 'show version'.Check Version:
Aruba Central: Check web interface; Mobility Conductor: 'show version' via CLIVerify Fix Applied:
Confirm version is Aruba Central 2024-03-27 or later, or Mobility Conductor 10.6.0.0 or later. Test PAPI connectivity remains functional for authorized systems.📡 Detection & Monitoring
Log Indicators:
- Multiple connection attempts to port 8211 from single source
- Central service restart events in system logs
- High CPU/memory usage on Central services
Network Indicators:
- Unusual traffic patterns to port 8211/tcp
- Multiple SYN packets to port 8211 from untrusted sources
- Protocol anomalies in PAPI communications
SIEM Query:
source_port=8211 AND (event_count>1000 WITHIN 60s OR dest_ip=central_management_ip)