CVE-2023-28610
📋 TL;DR
This vulnerability allows remote attackers to gain root access to OMICRON StationGuard and StationScout systems by exploiting the update process with a modified firmware image. It affects users of these products before version 2.21, potentially compromising critical infrastructure devices. Attackers can achieve full system control, leading to unauthorized access and manipulation.
💻 Affected Systems
- OMICRON StationGuard
- OMICRON StationScout
📦 What is this software?
Stationguard by Omicronenergy
Stationscout by Omicronenergy
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with root privileges, enabling data theft, disruption of operations, or lateral movement into connected networks.
Likely Case
Remote code execution leading to unauthorized access, data exfiltration, or installation of persistent malware on affected devices.
If Mitigated
Limited impact if systems are isolated, patched, or have strict update controls, but risk remains if exploited.
🎯 Exploit Status
Exploitation requires crafting a malicious firmware image and triggering the update process remotely.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 2.21 or later
Vendor Advisory: https://www.omicronenergy.com/en/support/product-security/
Restart Required: Yes
Instructions:
1. Download the latest firmware version 2.21 or higher from the OMICRON support portal. 2. Follow vendor instructions to apply the update via the device's management interface. 3. Restart the system to ensure changes take effect.
🔧 Temporary Workarounds
Disable Remote Firmware Updates
allPrevent unauthorized updates by disabling remote firmware update capabilities if not required.
Check device configuration for update settings and disable remote access; specific commands depend on device interface.
Network Segmentation
allIsolate affected devices on a segmented network to limit exposure to potential attackers.
Configure firewall rules to restrict access to update ports and management interfaces.
🧯 If You Can't Patch
- Implement strict access controls to limit who can initiate firmware updates.
- Monitor network traffic for unusual update attempts and log all firmware update activities.
🔍 How to Verify
Check if Vulnerable:
Check the firmware version via the device's management interface or CLI; if version is below 2.21, it is vulnerable.Check Version:
Use the device-specific command (e.g., via SSH or web interface) to query firmware version; refer to vendor documentation for exact syntax.Verify Fix Applied:
After updating, confirm the firmware version is 2.21 or higher and test update functionality with authorized images only.📡 Detection & Monitoring
Log Indicators:
- Unexpected firmware update attempts, failed update logs, or unauthorized access to update endpoints.
Network Indicators:
- Unusual traffic to firmware update ports, unexpected file transfers to device update URLs.
SIEM Query:
Example: 'source="device_logs" AND (event="firmware_update" OR event="unauthorized_access")'🔗 References
- https://www.omicronenergy.com/en/support/product-security/
- https://www.omicronenergy.com/fileadmin/user_upload/website/files/product-security/osa-5.txt
- https://www.omicronenergy.com/en/support/product-security/
- https://www.omicronenergy.com/fileadmin/user_upload/website/files/product-security/osa-5.txt
