CVE-2018-7510
📋 TL;DR
This vulnerability exposes passwords in plaintext in an unauthenticated accessible file in BeaconMedaes TotalAlert Scroll Medical Air Systems. Attackers can read sensitive credentials without authentication, affecting medical facilities using vulnerable versions of this critical infrastructure.
💻 Affected Systems
- BeaconMedaes TotalAlert Scroll Medical Air Systems
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to access medical air systems, potentially disrupting oxygen supply to patients or manipulating critical medical infrastructure.
Likely Case
Credential theft leading to unauthorized access to medical air systems, potentially enabling system manipulation or data exfiltration.
If Mitigated
Limited impact if proper network segmentation and access controls prevent external access to the vulnerable interface.
🎯 Exploit Status
Exploitation requires only reading an accessible file containing plaintext passwords.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4107600010.23
Vendor Advisory: https://ics-cert.us-cert.gov/advisories/ICSMA-18-144-01
Restart Required: Yes
Instructions:
1. Contact BeaconMedaes for patch 4107600010.23. 2. Apply the software update following vendor instructions. 3. Restart the system as required. 4. Verify the fix by checking that passwords are no longer stored in plaintext accessible files.
🔧 Temporary Workarounds
Network Segmentation
allIsolate the medical air system on a separate VLAN with strict access controls to prevent unauthorized network access.
Access Control Lists
allImplement firewall rules to restrict access to the web interface only from authorized management stations.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the vulnerable system from untrusted networks
- Monitor for unauthorized access attempts to the web interface and file access patterns
🔍 How to Verify
Check if Vulnerable:
Check if the system software version is below 4107600010.23 and attempt to access password files without authentication via the web interface.Check Version:
Check via the web interface system information page or contact BeaconMedaes support for version verification.Verify Fix Applied:
Verify software version is 4107600010.23 or higher and confirm password files are no longer accessible without proper authentication.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to password files
- Multiple failed authentication attempts followed by successful access
Network Indicators:
- Unusual traffic patterns to the medical air system web interface
- Access from unauthorized IP addresses
SIEM Query:
source_ip IN (unauthorized_ips) AND destination_port=80 AND uri CONTAINS 'password' OR 'credential'