CVE-2022-27413
📋 TL;DR
This vulnerability allows attackers to execute arbitrary SQL commands via the adminname parameter in admin.php in Hospital Management System v1.0. This can lead to authentication bypass, data theft, or complete system compromise. Any organization using this specific version is affected.
💻 Affected Systems
- Hospital Management System
📦 What is this software?
Hospital Management System by Hospital Management System Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to patient data exfiltration, system takeover, and potential ransomware deployment.
Likely Case
Authentication bypass allowing unauthorized admin access, followed by data theft or manipulation of medical records.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages exposed.
🎯 Exploit Status
Exploit requires access to admin login page but SQL injection is straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Implement parameterized queries or input validation in admin.php.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize adminname parameter
Modify admin.php to add: $adminname = mysqli_real_escape_string($conn, $_POST['adminname']);
Web Application Firewall
allDeploy WAF with SQL injection protection rules
🧯 If You Can't Patch
- Isolate system on internal network with strict access controls
- Implement database user with minimal permissions (read-only where possible)
🔍 How to Verify
Check if Vulnerable:
Test admin.php with SQL injection payloads like: adminname=admin' OR '1'='1Check Version:
Check application files for version information or readmeVerify Fix Applied:
Test with same payloads - should return error or fail authentication📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts with SQL syntax in parameters
- Unusual database queries from web server
Network Indicators:
- HTTP POST requests to admin.php with SQL keywords in parameters
SIEM Query:
source="web_logs" AND uri="/admin.php" AND (param="adminname" AND value MATCHES "'.*OR.*|'.*AND.*|'.*UNION.*")