CVE-2024-12947
📋 TL;DR
This critical SQL injection vulnerability in Codezips Hospital Management System 1.0 allows attackers to execute arbitrary SQL commands via the 'dname' parameter in /invo.php. Attackers can remotely exploit this to access, modify, or delete sensitive hospital data. All systems running the affected software are vulnerable.
💻 Affected Systems
- Codezips Hospital Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including patient records, medical data, financial information, and administrative credentials leading to data breach, system takeover, and potential ransomware deployment.
Likely Case
Unauthorized access to sensitive patient data, modification of billing records, extraction of personal information, and potential privilege escalation within the system.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation preventing successful exploitation.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easily weaponizable. The SQL injection appears to be straightforward with no authentication required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
1. Check vendor website for updates 2. Apply any available patches 3. Test functionality after patching 4. Monitor for any issues
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for all user inputs in invo.php
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns targeting /invo.php and dname parameter
🧯 If You Can't Patch
- Isolate the system from internet access and restrict to internal network only
- Implement network segmentation and strict access controls to limit who can reach the vulnerable endpoint
🔍 How to Verify
Check if Vulnerable:
Test /invo.php endpoint with SQL injection payloads in dname parameter and observe database errors or unexpected responsesCheck Version:
Check system documentation or admin panel for version informationVerify Fix Applied:
Retest with same SQL injection payloads and verify they are properly sanitized or rejected📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed login attempts
- Unexpected database errors in /invo.php access logs
Network Indicators:
- SQL injection patterns in HTTP requests to /invo.php
- Unusual outbound database connections
SIEM Query:
source="web_logs" AND uri="/invo.php" AND (dname CONTAINS "' OR" OR dname CONTAINS "UNION" OR dname CONTAINS "SELECT" OR dname CONTAINS "--")