CVE-2023-38401
📋 TL;DR
This CVE describes a local privilege escalation vulnerability in HPE Aruba Networking Virtual Intranet Access (VIA) client. Local users can exploit this to execute arbitrary code with SYSTEM privileges on Windows systems. Only systems with the vulnerable VIA client installed are affected.
💻 Affected Systems
- HPE Aruba Networking Virtual Intranet Access (VIA) client
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Local attacker gains full SYSTEM privileges, enabling complete system compromise, data theft, persistence mechanisms, and lateral movement capabilities.
Likely Case
Local user or malware with initial access escalates privileges to install additional malware, disable security controls, or access sensitive system resources.
If Mitigated
With proper endpoint protection and least privilege principles, exploitation attempts are detected and blocked, limiting impact to isolated incidents.
🎯 Exploit Status
Requires local access to the system. No public exploit details available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 4.3.0.0 and later
Vendor Advisory: https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-011.txt
Restart Required: Yes
Instructions:
1. Download VIA client version 4.3.0.0 or later from official HPE Aruba sources. 2. Uninstall previous VIA client version. 3. Install the updated version. 4. Restart the system.
🔧 Temporary Workarounds
Remove VIA client if not needed
windowsUninstall the VIA client if remote access functionality is not required
Control Panel > Programs > Uninstall a program > Select 'HPE Aruba Networking Virtual Intranet Access' > Uninstall
Restrict local access
windowsImplement strict access controls to limit who has local login privileges
🧯 If You Can't Patch
- Implement application whitelisting to prevent unauthorized execution
- Deploy endpoint detection and response (EDR) with privilege escalation monitoring
🔍 How to Verify
Check if Vulnerable:
Check VIA client version: Open VIA client > Help > About, or check installed programs in Control PanelCheck Version:
wmic product where name="HPE Aruba Networking Virtual Intranet Access" get versionVerify Fix Applied:
Verify installed version is 4.3.0.0 or higher in VIA client About dialog📡 Detection & Monitoring
Log Indicators:
- Windows Event Logs showing privilege escalation attempts
- VIA client service anomalies
- Unexpected SYSTEM privilege processes
Network Indicators:
- Unusual outbound connections from SYSTEM context processes
SIEM Query:
EventID=4688 AND NewProcessName LIKE "%VIA%" AND SubjectUserName!=SYSTEM AND TokenElevationType=%%1937