CVE-2023-0349
📋 TL;DR
The Akuvox E11's libvoice library has an authentication bypass vulnerability that allows unauthenticated access to camera capture functionality. Attackers can remotely view and record images/videos from affected devices. This affects Akuvox E11 devices with vulnerable libvoice library versions.
💻 Affected Systems
- Akuvox E11
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete loss of visual privacy - attackers can continuously monitor camera feeds, record sensitive activities, and potentially use footage for blackmail, espionage, or physical security bypass.
Likely Case
Unauthorized surveillance of private spaces, recording of confidential meetings or personal activities, and potential data exfiltration of captured media.
If Mitigated
Limited impact if devices are isolated from untrusted networks, but still vulnerable to insider threats or compromised internal systems.
🎯 Exploit Status
No authentication required, simple network request to vulnerable endpoint. Likely to be weaponized due to low complexity and high impact.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check with Akuvox for specific patched versions
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-23-068-01
Restart Required: Yes
Instructions:
1. Contact Akuvox for firmware updates. 2. Download latest firmware. 3. Apply update via device management interface. 4. Reboot device. 5. Verify camera access requires authentication.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Akuvox E11 devices from untrusted networks and internet access
Firewall Rules
allBlock all inbound traffic to Akuvox E11 devices except from authorized management systems
🧯 If You Can't Patch
- Physically disconnect or cover camera when not in use
- Deploy network monitoring to detect unauthorized camera access attempts
🔍 How to Verify
Check if Vulnerable:
Test if camera feed can be accessed without authentication via network requests to deviceCheck Version:
Check device firmware version via web interface or SSH: cat /etc/version or similarVerify Fix Applied:
Verify camera access now requires proper authentication and unauthorized requests are rejected📡 Detection & Monitoring
Log Indicators:
- Unauthenticated camera access attempts
- Unusual camera activation patterns
- Multiple failed authentication attempts followed by camera access
Network Indicators:
- Unusual traffic to camera-related ports
- Camera stream requests from unauthorized IPs
- Protocol anomalies in camera access
SIEM Query:
source="akuvox" AND (event="camera_access" OR event="unauthorized_access")