CVE-2016-2298
📋 TL;DR
This vulnerability in Meteocontrol WEB'log systems allows remote attackers to access sensitive cleartext information through unspecified vectors. It affects all Meteocontrol WEB'log Basic 100, Light, Pro, and Pro Unlimited systems, potentially exposing credentials, configuration data, or other sensitive information.
💻 Affected Systems
- Meteocontrol WEB'log Basic 100
- Meteocontrol WEB'log Light
- Meteocontrol WEB'log Pro
- Meteocontrol WEB'log Pro Unlimited
📦 What is this software?
Web\'log Basic 100 by Meteocontrol
Web\'log Light by Meteocontrol
Web\'log Pro by Meteocontrol
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with exposure of all sensitive data including administrative credentials, allowing attackers to take full control of the monitoring system and potentially access connected solar infrastructure.
Likely Case
Exposure of sensitive configuration data, user credentials, or system information that could be used for further attacks or reconnaissance.
If Mitigated
Limited exposure of non-critical information if proper network segmentation and access controls are implemented.
🎯 Exploit Status
The advisory mentions 'unspecified vectors' but indicates remote unauthenticated access to cleartext information. Given the CVSS 9.8 score, exploitation is likely straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Specific version numbers not provided in references, but ICS-CERT advisory indicates patches are available
Vendor Advisory: https://ics-cert.us-cert.gov/advisories/ICSA-16-133-01
Restart Required: Yes
Instructions:
1. Contact Meteocontrol for specific patch versions and availability. 2. Apply the vendor-provided patches. 3. Restart affected systems. 4. Verify the patch has been applied successfully.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Meteocontrol WEB'log systems from untrusted networks and the internet
Access Control Restrictions
allImplement strict firewall rules to limit access to only authorized IP addresses
🧯 If You Can't Patch
- Immediately isolate affected systems from internet and untrusted networks
- Implement network monitoring and intrusion detection for suspicious access attempts
🔍 How to Verify
Check if Vulnerable:
Check system version against vendor patch information. Test for cleartext information exposure through network scanning tools.
Check Version:
Check via Meteocontrol WEB'log web interface or contact vendor for version verification methods
Verify Fix Applied:
Verify patch version has been applied through vendor documentation. Test that sensitive information is no longer accessible via remote unauthenticated requests.
📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to system files or configuration endpoints
- Multiple failed authentication attempts followed by successful information retrieval
Network Indicators:
- Unusual outbound traffic containing system information
- External IP addresses accessing sensitive endpoints
SIEM Query:
source_ip IN (external_ips) AND dest_port=80 AND uri CONTAINS '/config' OR uri CONTAINS '/admin'