CVE-2023-2750
📋 TL;DR
This SQL injection vulnerability in Cityboss E-municipality software allows attackers to execute arbitrary SQL commands through user input. It affects all versions before 6.05, potentially compromising municipal database systems. Organizations using vulnerable versions are at risk of data breaches.
💻 Affected Systems
- Cityboss E-municipality
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including sensitive citizen data, administrative credentials, and potential lateral movement to other systems
Likely Case
Data exfiltration of sensitive information, database manipulation, and potential privilege escalation
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or limited data exposure
🎯 Exploit Status
SQL injection typically requires minimal technical skill; specific exploit details not publicly documented
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.05 or later
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-23-0286
Restart Required: Yes
Instructions:
1. Download version 6.05 or later from vendor
2. Backup current installation and database
3. Apply update following vendor instructions
4. Restart application services
5. Verify functionality
🔧 Temporary Workarounds
Web Application Firewall
allDeploy WAF with SQL injection rules to filter malicious requests
Input Validation
allImplement strict input validation on all user-supplied parameters
🧯 If You Can't Patch
- Isolate the E-municipality system from internet access
- Implement strict network segmentation and monitor all database queries
🔍 How to Verify
Check if Vulnerable:
Check application version in admin panel or configuration filesCheck Version:
Check application interface or configuration files for version informationVerify Fix Applied:
Confirm version is 6.05 or later and test input fields with SQL injection test payloads📡 Detection & Monitoring
Log Indicators:
- Unusual database queries
- SQL syntax errors in application logs
- Multiple failed login attempts with SQL characters
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.)
- Unusual database connection patterns
SIEM Query:
web_requests WHERE url CONTAINS 'UNION' OR url CONTAINS 'SELECT' OR url CONTAINS 'OR 1=1'