CVE-2023-42425
📋 TL;DR
This critical vulnerability in Turing Video Turing Edge+ EVC5FD allows remote attackers to execute arbitrary code and access sensitive information through cloud connection components. It affects all systems running version 1.38.6 of the device firmware. Attackers can potentially take full control of affected devices.
💻 Affected Systems
- Turing Video Turing Edge+ EVC5FD
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to execute arbitrary code, steal sensitive data, pivot to internal networks, and maintain persistent access.
Likely Case
Remote code execution leading to data exfiltration, device takeover, and potential lateral movement within the network.
If Mitigated
Limited impact if devices are isolated from internet and internal networks with strict access controls.
🎯 Exploit Status
Proof of concept available on GitHub gist. Exploitation appears straightforward via cloud connection.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: http://turing.com
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. Apply any available firmware updates. 3. Verify cloud connection security settings.
🔧 Temporary Workarounds
Disable Cloud Connectivity
allDisable cloud connection features to prevent remote exploitation
Check device web interface for cloud settings
Disable all cloud/remote access features
Network Segmentation
allIsolate affected devices from internet and critical internal networks
Configure firewall rules to block outbound traffic from device
Place device in isolated VLAN
🧯 If You Can't Patch
- Implement strict network segmentation to isolate devices
- Deploy network monitoring and intrusion detection for suspicious traffic
🔍 How to Verify
Check if Vulnerable:
Check device firmware version in web interface or via SSH if accessible. Version 1.38.6 is vulnerable.
Check Version:
Check device web interface or use manufacturer's diagnostic tools
Verify Fix Applied:
Verify firmware version is updated beyond 1.38.6 and cloud connectivity is properly secured.
📡 Detection & Monitoring
Log Indicators:
- Unusual cloud connection attempts
- Unexpected process execution
- Configuration changes
Network Indicators:
- Suspicious outbound connections to cloud services
- Unexpected inbound connections to device
SIEM Query:
source_ip=[device_ip] AND (event_type="process_execution" OR event_type="configuration_change")