CVE-2022-28533
📋 TL;DR
This vulnerability allows attackers to execute arbitrary SQL commands on Medical Hub Directory Site 1.0 through the /mhds/clinic/view_details.php endpoint. Attackers can potentially access, modify, or delete database content. All users running the vulnerable version are affected.
💻 Affected Systems
- Medical Hub Directory Site
📦 What is this software?
Medical Hub Directory Site by Medical Hub Directory Site Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or remote code execution via database functions.
Likely Case
Unauthorized data access, extraction of sensitive information, and potential privilege escalation.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented.
🎯 Exploit Status
SQL injection via GET parameters with public proof-of-concept available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch available. Implement parameterized queries and input validation in view_details.php.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests.
Input Validation Filter
allAdd input validation to sanitize parameters before processing in view_details.php.
🧯 If You Can't Patch
- Restrict access to /mhds/clinic/view_details.php using network ACLs or authentication.
- Monitor and log all access attempts to the vulnerable endpoint for suspicious activity.
🔍 How to Verify
Check if Vulnerable:
Test the /mhds/clinic/view_details.php endpoint with SQL injection payloads (e.g., adding ' OR '1'='1 to parameters).Check Version:
Check the software version in the application's admin panel or configuration files.Verify Fix Applied:
Verify that SQL injection payloads no longer execute and return error messages or are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL syntax in URL parameters
- Multiple failed SQL queries from single IP
- Access to view_details.php with suspicious parameters
Network Indicators:
- HTTP requests to /mhds/clinic/view_details.php containing SQL keywords (UNION, SELECT, etc.)
SIEM Query:
source="web_logs" AND url="/mhds/clinic/view_details.php" AND (param CONTAINS "UNION" OR param CONTAINS "SELECT" OR param CONTAINS "OR 1=1")