CVE-2024-8944: Hospital Management System SQLi Vulnerability

CVE-2024-8944 Overview

A critical SQL injection vulnerability has been identified in the Hospital Management System version 1.0 developed by code-projects. The vulnerability exists within the check_availability.php file, where improper handling of the email parameter allows attackers to inject malicious SQL queries. This flaw can be exploited remotely without authentication, potentially compromising sensitive patient data and hospital records stored in the database.

Critical Impact

This SQL injection vulnerability enables remote attackers to execute arbitrary SQL commands against the backend database, potentially leading to unauthorized data access, data manipulation, or complete database compromise in healthcare environments where sensitive patient information is stored.

Affected Products

• Fabian Hospital Management System version 1.0
• code-projects Hospital Management System 1.0
• Systems utilizing check_availability.php with vulnerable email parameter handling

Discovery Timeline

• 2024-09-17 - CVE-2024-8944 published to NVD
• 2025-10-23 - Last updated in NVD database

Technical Details for CVE-2024-8944

Vulnerability Analysis

This SQL injection vulnerability exists in the check_availability.php file of the Hospital Management System. The application fails to properly sanitize or validate user-supplied input through the email parameter before incorporating it into SQL queries. When a user submits data to check email availability during registration or account management, the application directly concatenates the input into database queries without using parameterized statements or prepared queries.

The vulnerability allows attackers to craft malicious input that alters the intended SQL query logic. Since the application accepts network-based requests, an attacker can remotely submit specially crafted email values containing SQL metacharacters and commands. This could enable unauthorized reading of database contents, modification of records, or in severe cases, execution of administrative operations on the database server.

Given that this is a Hospital Management System, the potential impact is particularly severe as healthcare databases typically contain highly sensitive Protected Health Information (PHI), including patient records, medical histories, and personal identification data.

Root Cause

The root cause of this vulnerability is the failure to implement proper input validation and parameterized queries in the check_availability.php file. The email parameter is directly incorporated into SQL statements without sanitization, escaping, or the use of prepared statements. This is a classic example of CWE-89: Improper Neutralization of Special Elements used in an SQL Command (SQL Injection).

Attack Vector

The vulnerability is exploitable over the network, requiring no authentication or user interaction. An attacker can send a crafted HTTP request to the check_availability.php endpoint with a malicious payload in the email parameter. The attack can be performed remotely against any exposed instance of the Hospital Management System.

The exploitation mechanism involves appending SQL syntax to the email parameter value. For instance, an attacker could use boolean-based blind injection, time-based blind injection, or UNION-based injection techniques depending on the application's response behavior.

See the VulDB advisory and GitHub CVE issue tracker for additional technical details regarding the exploitation methodology.

Detection Methods for CVE-2024-8944

Indicators of Compromise

• Unusual or malformed HTTP requests to check_availability.php containing SQL keywords (SELECT, UNION, INSERT, DROP, etc.)
• Error messages in application logs indicating SQL syntax errors or database exceptions
• Unexpected database queries appearing in database audit logs
• Anomalous patterns in the email parameter such as special characters like single quotes, double dashes, or semicolons

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block SQL injection patterns in HTTP parameters
• Enable database query logging and monitor for suspicious query structures or unauthorized data access attempts
• Implement application-layer intrusion detection to flag requests with SQL injection signatures targeting the email parameter
• Review web server access logs for repeated requests to check_availability.php with unusual parameter values

Monitoring Recommendations

• Configure real-time alerting for database errors originating from the Hospital Management System application
• Monitor for bulk data extraction attempts or unusual database read operations
• Implement behavioral analysis to detect anomalous access patterns to patient records
• Establish baseline metrics for normal check_availability.php usage and alert on deviations

How to Mitigate CVE-2024-8944

Immediate Actions Required

• Restrict network access to the Hospital Management System to trusted IP ranges only
• Implement a Web Application Firewall (WAF) with SQL injection protection rules in front of the application
• Review and audit database access logs for any indication of prior exploitation
• Consider taking the affected system offline until a proper fix can be implemented

Patch Information

No official patch has been released by the vendor at the time of this writing. Organizations should monitor the VulDB advisory and code-projects website for updates regarding security fixes. Given the lack of vendor response, organizations may need to implement code-level fixes themselves or consider alternative solutions.

Workarounds

• Implement input validation on the email parameter to accept only properly formatted email addresses
• Modify the application code to use prepared statements or parameterized queries instead of string concatenation
• Deploy a reverse proxy or WAF with SQL injection filtering capabilities
• Implement network-level access controls to limit exposure of the vulnerable endpoint
• Consider implementing stored procedures for database operations to add an additional layer of protection

# Example: Apache mod_security rule to block SQL injection attempts
# Add to your Apache configuration or .htaccess file
SecRule ARGS:email "@rx (?i)(union|select|insert|update|delete|drop|;|--)" \
    "id:100001,phase:2,deny,status:403,msg:'SQL Injection Attempt Blocked'"