CVE-2022-0923
📋 TL;DR
Delta Electronics DIAEnergie versions prior to 1.8.02.004 contain a blind SQL injection vulnerability in HandlerDialog_KID.ashx. This allows attackers to execute arbitrary SQL queries, potentially accessing or modifying database contents and executing system commands. Organizations using DIAEnergie for industrial energy management are affected.
💻 Affected Systems
- Delta Electronics DIAEnergie
📦 What is this software?
Diaenergie by Deltaww
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise allowing attacker to execute arbitrary commands, exfiltrate sensitive industrial data, manipulate control systems, and pivot to other network segments.
Likely Case
Database compromise leading to data theft, manipulation of energy management data, and potential disruption of industrial operations.
If Mitigated
Limited impact if proper network segmentation, input validation, and monitoring are in place, though SQL injection could still expose database contents.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited and weaponized. The CISA advisory indicates this is actively being exploited.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.8.02.004
Vendor Advisory: https://www.cisa.gov/uscert/ics/advisories/icsa-22-081-01
Restart Required: Yes
Instructions:
1. Download DIAEnergie version 1.8.02.004 from Delta Electronics. 2. Backup current installation and database. 3. Install the update following vendor instructions. 4. Restart the DIAEnergie service and verify functionality.
🔧 Temporary Workarounds
Network Segmentation
allIsolate DIAEnergie systems from untrusted networks and implement strict firewall rules.
Input Validation
allImplement web application firewall (WAF) rules to block SQL injection patterns targeting HandlerDialog_KID.ashx.
🧯 If You Can't Patch
- Implement strict network access controls to limit connections to DIAEnergie only from trusted sources.
- Deploy a web application firewall (WAF) with SQL injection detection rules and monitor for exploitation attempts.
🔍 How to Verify
Check if Vulnerable:
Check DIAEnergie version in application interface or installation directory. If version is below 1.8.02.004, system is vulnerable.
Check Version:
Check DIAEnergie application interface or consult installation documentation for version information.
Verify Fix Applied:
Verify installed version is 1.8.02.004 or higher and test that HandlerDialog_KID.ashx endpoints properly validate input.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts or SQL errors in web server logs
- Unexpected process execution from DIAEnergie service
Network Indicators:
- HTTP requests to HandlerDialog_KID.ashx with SQL injection patterns
- Unusual outbound connections from DIAEnergie system
SIEM Query:
source="web_server" AND uri="*HandlerDialog_KID.ashx*" AND (query="*SELECT*" OR query="*UNION*" OR query="*OR 1=1*")