CVE-2024-8997
📋 TL;DR
This SQL injection vulnerability in Vestel EVC04 Configuration Interface allows attackers to execute arbitrary SQL commands through the web interface. It affects all systems running EVC04 Configuration Interface versions before V3.187 and V4.53, potentially compromising the entire device configuration.
💻 Affected Systems
- Vestel EVC04 Configuration Interface
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device takeover, configuration modification, credential theft, and potential lateral movement to connected systems.
Likely Case
Unauthorized access to configuration data, modification of device settings, and potential denial of service.
If Mitigated
Limited impact if proper network segmentation and input validation are implemented.
🎯 Exploit Status
SQL injection vulnerabilities typically have low exploitation complexity, especially in web interfaces
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: V3.187 or V4.53
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-25-0070
Restart Required: Yes
Instructions:
1. Download the latest firmware from Vestel. 2. Backup current configuration. 3. Apply firmware update. 4. Restart the device. 5. Verify the update was successful.
🔧 Temporary Workarounds
Network Segmentation
allRestrict access to the configuration interface to trusted networks only
Web Application Firewall
allDeploy a WAF with SQL injection protection rules
🧯 If You Can't Patch
- Isolate the device on a separate VLAN with strict access controls
- Disable the web interface if not required and use alternative management methods
🔍 How to Verify
Check if Vulnerable:
Check the firmware version in the web interface or via SSH if availableCheck Version:
Check via web interface at /status or similar endpointVerify Fix Applied:
Verify the firmware version shows V3.187 or V4.53 or higher📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed login attempts with SQL syntax
Network Indicators:
- HTTP requests containing SQL keywords to configuration endpoints
- Unusual traffic patterns to the configuration interface
SIEM Query:
source="web_logs" AND (url="*/config*" OR url="*/admin*") AND (query CONTAINS "UNION" OR query CONTAINS "SELECT *" OR query CONTAINS "DROP TABLE")