CVE-2024-6919
📋 TL;DR
This SQL injection vulnerability in NAC Telecommunication Systems' NACPremium software allows attackers to execute arbitrary SQL commands without authentication. It affects all NACPremium installations through version 01082024, potentially enabling data theft, system compromise, or complete database takeover.
💻 Affected Systems
- NAC Telecommunication Systems NACPremium
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data exfiltration, privilege escalation, remote code execution, and full system control.
Likely Case
Database information disclosure, data manipulation, and potential authentication bypass.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation in place.
🎯 Exploit Status
Blind SQL injection typically requires automated tools but is well-understood by attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-24-1376
Restart Required: No
Instructions:
1. Contact NAC Telecommunication Systems for patch information. 2. Monitor vendor communications for updates. 3. Apply patches immediately when available.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy WAF with SQL injection rules to block malicious requests.
Network Segmentation
allIsolate NACPremium systems from internet and restrict internal access.
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries in application code.
- Deploy database monitoring and alerting for suspicious SQL queries.
🔍 How to Verify
Check if Vulnerable:
Check NACPremium version against affected range. Test with SQL injection payloads in controlled environment.Check Version:
Check NACPremium administration interface or configuration files for version information.Verify Fix Applied:
Verify version is newer than 01082024 and test SQL injection vectors return proper error handling.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages
- Repeated failed login attempts with SQL syntax
- Long or malformed query strings in logs
Network Indicators:
- SQL keywords in HTTP parameters
- Unusual database connection patterns
- Excessive requests to database endpoints
SIEM Query:
source="web_logs" AND ("' OR" OR "UNION SELECT" OR "WAITFOR DELAY" OR sql_error_code)