CVE-2023-5716
📋 TL;DR
CVE-2023-5716 is a critical vulnerability in ASUS Armoury Crate software that allows remote attackers to write arbitrary files to the system without authentication. This affects all users running vulnerable versions of ASUS Armoury Crate, primarily on Windows systems. Attackers can exploit this to modify system files, install malware, or gain unauthorized access.
💻 Affected Systems
- ASUS Armoury Crate
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise leading to ransomware deployment, data theft, or persistent backdoor installation
Likely Case
Malware installation, system file corruption, or privilege escalation leading to unauthorized access
If Mitigated
Limited impact if network segmentation and strict access controls prevent remote exploitation
🎯 Exploit Status
Exploitation requires sending specific HTTP requests to vulnerable endpoints. No authentication is needed, making this easily exploitable.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Latest version of Armoury Crate (check ASUS website for specific version)
Vendor Advisory: https://www.asus.com/support/FAQ/1051545/
Restart Required: Yes
Instructions:
1. Open Armoury Crate. 2. Check for updates in settings. 3. Install latest version. 4. Restart system. Alternatively, download from ASUS support site.
🔧 Temporary Workarounds
Disable Armoury Crate Service
windowsTemporarily disable the vulnerable service to prevent exploitation
sc stop ArmouryCrateService
sc config ArmouryCrateService start= disabled
Block Network Access
windowsUse firewall to block inbound connections to Armoury Crate
netsh advfirewall firewall add rule name="Block Armoury Crate" dir=in action=block program="C:\Program Files\ASUS\ArmouryCrate\ArmouryCrate.Service.exe" enable=yes
🧯 If You Can't Patch
- Uninstall Armoury Crate completely if not required
- Implement strict network segmentation to isolate affected systems from untrusted networks
🔍 How to Verify
Check if Vulnerable:
Check Armoury Crate version in Settings > About. If version is outdated or shows update available, system may be vulnerable.Check Version:
wmic product where "name like 'Armoury Crate%'" get versionVerify Fix Applied:
Verify Armoury Crate is updated to latest version and no updates are pending. Check service is running with current version.📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP requests to Armoury Crate endpoints
- File creation/modification in system directories by ArmouryCrate.Service.exe
Network Indicators:
- HTTP POST/PUT requests to Armoury Crate service ports (typically 80/443 or custom ports)
- Unusual outbound connections from Armoury Crate process
SIEM Query:
process_name:"ArmouryCrate.Service.exe" AND (event_type:file_create OR event_type:file_modify) AND file_path:("C:\\Windows\\*" OR "C:\\Program Files\\*")