CVE-2024-40502
📋 TL;DR
This SQL injection vulnerability in the Hospital Management System Project in ASP.Net MVC allows remote attackers to execute arbitrary SQL commands via the login page. Attackers can potentially bypass authentication, access sensitive medical data, or execute arbitrary code on the database server. Any organization using this specific open-source hospital management system is affected.
💻 Affected Systems
- Hospital Management System Project in ASP.Net MVC
📦 What is this software?
Hospital Management System by Angeljudesuarez
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise including patient data exfiltration, database takeover, and potential lateral movement to other systems in the network.
Likely Case
Authentication bypass leading to unauthorized access to patient records, appointment data, and administrative functions.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing SQL injection.
🎯 Exploit Status
The vulnerability is in the login page which is typically unauthenticated. Public exploit details are available on Packet Storm Security.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
1. Review the source code at itsourcecode.com
2. Modify the btn_login_b_Click function in Loginpage.aspx
3. Replace concatenated SQL queries with parameterized queries
4. Implement proper input validation and sanitization
5. Test the fix thoroughly before deployment
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious login attempts.
Network Segmentation
allRestrict access to the hospital management system to only authorized IP addresses or internal networks.
🧯 If You Can't Patch
- Implement strong network segmentation and isolate the system from internet access
- Deploy an intrusion detection system (IDS) to monitor for SQL injection attempts
🔍 How to Verify
Check if Vulnerable:
Test the login page with SQL injection payloads like ' OR '1'='1 in username/password fields. Monitor for unexpected successful logins or database errors.Check Version:
Check the project version in the source code or application metadata. This is version 1 of the Hospital Management System Project in ASP.Net MVC.Verify Fix Applied:
Attempt SQL injection attacks against the login page. Verify that parameterized queries are used and input validation rejects malicious payloads.📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts with SQL keywords
- Successful logins with unusual SQL-like patterns in credentials
- Database error messages in application logs
Network Indicators:
- HTTP POST requests to Loginpage.aspx containing SQL injection payloads
- Unusual database query patterns from the application server
SIEM Query:
source="web_logs" AND (uri="*Loginpage.aspx*" AND (body="*' OR*" OR body="*UNION*" OR body="*SELECT*" OR body="*INSERT*" OR body="*DELETE*"))🔗 References
- https://itsourcecode.com/author/angeljudesuarez/
- https://itsourcecode.com/free-projects/asp/hospital-management-system-project-in-asp-net-mvc-with-source-code/
- https://packetstormsecurity.com/files/179583/Hospital-Management-System-Project-In-ASP.Net-MVC-1-SQL-Injection.html
- https://itsourcecode.com/author/angeljudesuarez/
- https://itsourcecode.com/free-projects/asp/hospital-management-system-project-in-asp-net-mvc-with-source-code/
- https://packetstormsecurity.com/files/179583/Hospital-Management-System-Project-In-ASP.Net-MVC-1-SQL-Injection.html
