CVE-2022-1367
📋 TL;DR
Delta Electronics DIAEnergie versions prior to 1.8.02.004 contain a blind SQL injection vulnerability in Handler_TCV.ashx that allows attackers to execute arbitrary SQL queries. This enables database manipulation, data theft, and potential system command execution. Organizations using affected DIAEnergie versions for industrial control systems are at risk.
💻 Affected Systems
- Delta Electronics DIAEnergie
📦 What is this software?
Diaenergie by Deltaww
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise allowing attackers to execute arbitrary commands, steal sensitive industrial data, manipulate control systems, and pivot to other network segments.
Likely Case
Database compromise leading to theft of operational data, potential disruption of monitoring systems, and installation of backdoors.
If Mitigated
Limited impact with proper network segmentation and input validation, potentially only allowing partial data exposure.
🎯 Exploit Status
Blind SQL injection typically requires some trial and error but is well-understood by attackers. The CISA advisory indicates active exploitation is possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.8.02.004
Vendor Advisory: https://www.deltaww.com/en-US/Service/SecurityAdvisory/Detail/2
Restart Required: Yes
Instructions:
1. Download DIAEnergie version 1.8.02.004 from Delta Electronics. 2. Backup current configuration and database. 3. Install the update following vendor instructions. 4. Restart the DIAEnergie service. 5. Verify functionality.
🔧 Temporary Workarounds
Network Segmentation
allIsolate DIAEnergie systems from untrusted networks and implement strict firewall rules.
Web Application Firewall
allDeploy WAF with SQL injection protection rules to block exploitation attempts.
🧯 If You Can't Patch
- Implement strict network access controls allowing only trusted IP addresses to access Handler_TCV.ashx endpoint
- Deploy intrusion detection systems monitoring for SQL injection patterns in web traffic
🔍 How to Verify
Check if Vulnerable:
Check DIAEnergie version in application interface or installation directory. Versions below 1.8.02.004 are vulnerable.
Check Version:
Check application interface or consult DIAEnergie documentation for version display
Verify Fix Applied:
Confirm version is 1.8.02.004 or higher and test that Handler_TCV.ashx properly validates input parameters.
📡 Detection & Monitoring
Log Indicators:
- Unusual database queries in application logs
- Multiple failed SQL syntax attempts
- Unexpected access to Handler_TCV.ashx
Network Indicators:
- SQL keywords in HTTP POST requests to Handler_TCV.ashx
- Unusual outbound database connections
- Anomalous traffic patterns to DIAEnergie web interface
SIEM Query:
source="web_logs" AND uri="*Handler_TCV.ashx*" AND (query="*SELECT*" OR query="*UNION*" OR query="*INSERT*" OR query="*DELETE*")