CVE-2024-52548
📋 TL;DR
This vulnerability allows attackers with command execution capabilities to bypass kernel code signing protections and execute arbitrary native code on affected Lorex security cameras. It affects Lorex 2K Indoor Wi-Fi Security Cameras running vulnerable firmware. Attackers could gain full control of the device.
💻 Affected Systems
- Lorex 2K Indoor Wi-Fi Security Camera
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing persistent backdoor installation, credential theft, lateral movement to other network devices, and use in botnets or surveillance operations.
Likely Case
Local privilege escalation from limited command execution to full root access, enabling installation of malware, data exfiltration, or disabling security features.
If Mitigated
Limited impact if devices are isolated in separate VLANs with strict network segmentation and no command execution vulnerabilities exist.
🎯 Exploit Status
Exploit requires initial command execution capability. The GitHub repository contains proof-of-concept code demonstrating the bypass. This would typically be chained with other vulnerabilities for complete exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.800.0000000.8.R.20241111
Vendor Advisory: Not explicitly provided in references, but firmware update is mentioned in Rapid7 blog
Restart Required: Yes
Instructions:
1. Log into camera management interface. 2. Navigate to firmware update section. 3. Download firmware version 2.800.0000000.8.R.20241111 from official Lorex sources. 4. Apply the update. 5. Reboot the camera. 6. Verify successful update.
🔧 Temporary Workarounds
Network Segmentation
allIsolate cameras in separate VLAN with strict firewall rules preventing outbound internet access and limiting inbound connections.
Disable Unnecessary Services
allTurn off any unnecessary network services or features on the cameras to reduce attack surface.
🧯 If You Can't Patch
- Segment cameras on isolated network with no internet access and strict firewall rules
- Implement network monitoring for unusual outbound connections or command execution attempts
🔍 How to Verify
Check if Vulnerable:
Check firmware version via camera web interface or SSH if enabled. Compare against vulnerable versions.
Check Version:
Check via web interface at http://[camera-ip]/ or SSH command if available: cat /etc/version
Verify Fix Applied:
Confirm firmware version is 2.800.0000000.8.R.20241111 or later via camera management interface.
📡 Detection & Monitoring
Log Indicators:
- Unusual process execution, kernel module loading attempts, privilege escalation attempts in system logs
Network Indicators:
- Unexpected outbound connections from cameras, unusual command and control traffic patterns
SIEM Query:
source="camera_logs" AND (event="kernel_module_load" OR event="privilege_escalation" OR process="unusual_binary")