CVE-2023-5047
📋 TL;DR
This SQL injection vulnerability in DRD Fleet Leasing DRDrive allows attackers to execute arbitrary SQL commands through the application. It affects all DRDrive installations before version 20231006, potentially compromising database integrity and confidentiality.
💻 Affected Systems
- DRD Fleet Leasing DRDrive
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, modification, deletion, and potential remote code execution on the database server.
Likely Case
Unauthorized data access, extraction of sensitive information, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing successful exploitation.
🎯 Exploit Status
SQL injection vulnerabilities typically have low exploitation complexity, especially when unauthenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 20231006
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-23-0651
Restart Required: Yes
Instructions:
1. Download DRDrive version 20231006 or later from official vendor sources. 2. Backup current installation and database. 3. Apply the update following vendor documentation. 4. Restart the application service. 5. Verify functionality.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block exploitation attempts.
Input Validation Filtering
allImplement application-level input validation to reject SQL special characters in user inputs.
🧯 If You Can't Patch
- Isolate the DRDrive application behind a reverse proxy with strict input filtering
- Implement network segmentation to limit database access from the application server only
🔍 How to Verify
Check if Vulnerable:
Check DRDrive version in application interface or configuration files. If version is earlier than 20231006, system is vulnerable.Check Version:
Check application web interface or consult vendor documentation for version checking method.Verify Fix Applied:
Confirm version is 20231006 or later and test application functionality. Consider running SQL injection vulnerability scanner against the application.📡 Detection & Monitoring
Log Indicators:
- Unusual database query patterns
- SQL syntax errors in application logs
- Multiple failed login attempts with SQL special characters
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, INSERT, etc.)
- Unusual database port traffic from web servers
SIEM Query:
web_requests WHERE url CONTAINS 'UNION' OR url CONTAINS 'SELECT' OR url CONTAINS 'INSERT' AND src_ip = [DRDrive_server]