CVE-2023-3376
📋 TL;DR
This SQL injection vulnerability in Digital Strategy Zekiweb allows attackers to execute arbitrary SQL commands through unvalidated user input. It affects all Zekiweb installations before version 2, potentially compromising database integrity and confidentiality.
💻 Affected Systems
- Digital Strategy Zekiweb
📦 What is this software?
Zekiweb by Dijital
⚠️ 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 in place, though risk remains if vulnerable code paths are exposed.
🎯 Exploit Status
SQL injection vulnerabilities are typically easy to exploit with basic web security testing tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 2.0 or later
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-23-0408
Restart Required: Yes
Instructions:
1. Download Zekiweb version 2.0 or later from official vendor sources. 2. Backup current installation and database. 3. Install the updated version following vendor documentation. 4. Restart the Zekiweb service.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests.
Input Validation Filter
allImplement application-level input validation to sanitize user inputs before processing.
🧯 If You Can't Patch
- Isolate Zekiweb instance behind a reverse proxy with strict SQL injection filtering
- Implement network segmentation to limit database access from Zekiweb server only
🔍 How to Verify
Check if Vulnerable:
Check Zekiweb version in administration panel or configuration files. If version is below 2.0, system is vulnerable.Check Version:
Check Zekiweb admin interface or configuration files for version information.Verify Fix Applied:
Confirm Zekiweb version is 2.0 or higher after update and test SQL injection attempts are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts with SQL syntax
- Long or malformed query strings in access logs
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.)
- Abnormal database query patterns from application server
SIEM Query:
source="zekiweb.log" AND ("sql" OR "syntax" OR "union" OR "select" OR "' OR '1'='1")