CVE-2022-24646
📋 TL;DR
This SQL injection vulnerability in Hospital Management System v4.0 allows attackers to execute arbitrary SQL commands through the txtMsg parameter in contact.php. This could lead to unauthorized data access, modification, or deletion. Organizations using this specific version of the software are affected.
💻 Affected Systems
- Hospital Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including patient records, medical data, administrative credentials, and potential remote code execution on the database server.
Likely Case
Unauthorized access to sensitive patient data, modification of medical records, or extraction of user credentials from the database.
If Mitigated
Attack blocked at web application firewall level with no data exposure due to proper input validation and parameterized queries.
🎯 Exploit Status
SQL injection via GET/POST parameter requires minimal technical skill. Public GitHub issues demonstrate the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
1. Review the contact.php file
2. Replace direct parameter usage with parameterized queries
3. Implement input validation for txtMsg parameter
4. Test the fix thoroughly
🔧 Temporary Workarounds
Web Application Firewall Rule
allBlock SQL injection patterns in the txtMsg parameter
ModSecurity rule: SecRule ARGS:txtMsg "@detectSQLi" "id:1001,phase:2,deny,status:403"
Input Validation Filter
allAdd PHP input validation for txtMsg parameter
$txtMsg = filter_var($_POST['txtMsg'], FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_LOW);
🧯 If You Can't Patch
- Isolate the Hospital Management System behind a reverse proxy with WAF capabilities
- Restrict network access to only authorized users and implement strict authentication
🔍 How to Verify
Check if Vulnerable:
Test contact.php with SQL injection payloads like: txtMsg=' OR '1'='1Check Version:
Check system version in admin panel or review source code headersVerify Fix Applied:
Attempt SQL injection tests and verify they are blocked or sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in web server logs
- Multiple failed login attempts following contact form submissions
- Suspicious parameter values containing SQL keywords
Network Indicators:
- HTTP requests to contact.php with SQL syntax in parameters
- Unusual database query patterns from web server IP
SIEM Query:
source="web_server.log" AND "contact.php" AND ("UNION" OR "SELECT" OR "INSERT" OR "DELETE" OR "' OR '")🔗 References
- https://github.com/kishan0725/Hospital-Management-System/issues/18
- https://github.com/nu11secur1ty/CVE-mitre/tree/main/2022/CVE-2022-24263
- https://www.nu11secur1ty.com/2022/02/cve-2022-24263.html
- https://github.com/kishan0725/Hospital-Management-System/issues/18
- https://github.com/nu11secur1ty/CVE-mitre/tree/main/2022/CVE-2022-24263
- https://www.nu11secur1ty.com/2022/02/cve-2022-24263.html
