CVE-2023-6191
📋 TL;DR
This SQL injection vulnerability in Egehan Security WebPDKS allows attackers to execute arbitrary SQL commands on the database. All installations of WebPDKS through version 20240329 are affected, potentially compromising sensitive data and system integrity.
💻 Affected Systems
- Egehan Security WebPDKS
📦 What is this software?
Webpdks by Webpdks
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data manipulation, privilege escalation, and potential remote code execution on the underlying server.
Likely Case
Unauthorized access to sensitive data stored in the database, including user credentials, personal information, and system configuration.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation in place.
🎯 Exploit Status
SQL injection vulnerabilities typically have low exploitation complexity, especially when unauthenticated access is possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown - vendor did not respond to disclosure
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider workarounds or alternative solutions.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to filter malicious requests.
Network Segmentation
allRestrict access to WebPDKS to only trusted networks and implement strict firewall rules.
🧯 If You Can't Patch
- Implement input validation and parameterized queries in application code
- Deploy database monitoring and alerting for suspicious SQL queries
🔍 How to Verify
Check if Vulnerable:
Check WebPDKS version against affected range (through 20240329). Test with SQL injection payloads in application inputs.
Check Version:
Check WebPDKS interface or configuration files for version information
Verify Fix Applied:
Verify version is beyond 20240329 or test with SQL injection payloads to confirm they are properly sanitized.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL query patterns in database logs
- Multiple failed login attempts with SQL syntax
- Long or malformed HTTP requests to WebPDKS endpoints
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, INSERT, etc.)
- Unusual traffic patterns to WebPDKS database ports
SIEM Query:
source="webpdks" AND (http_request CONTAINS "UNION" OR http_request CONTAINS "SELECT" OR http_request CONTAINS "INSERT" OR http_request CONTAINS "DELETE")