CVE-2024-3535: Church Management System SQL Vulnerability

CVE-2024-3535 Overview

A critical SQL injection vulnerability has been identified in Campcodes Church Management System version 1.0. The vulnerability exists in the /admin/index.php file, where improper handling of the password parameter allows attackers to inject malicious SQL queries. This flaw can be exploited remotely without authentication, potentially leading to complete database compromise, unauthorized data access, and system takeover.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to bypass authentication, extract sensitive data, modify database contents, or execute administrative operations on the affected Church Management System without any prior authentication.

Affected Products

• Campcodes Church Management System 1.0

Discovery Timeline

• 2024-04-10 - CVE-2024-3535 published to NVD
• 2025-02-27 - Last updated in NVD database

Technical Details for CVE-2024-3535

Vulnerability Analysis

This SQL injection vulnerability (CWE-89) affects the administrative login functionality within Campcodes Church Management System. The application fails to properly sanitize user-supplied input in the password parameter before incorporating it into SQL queries. This allows attackers to craft malicious input that alters the structure and logic of the underlying database queries.

The vulnerability is particularly severe because it targets the authentication mechanism. An attacker can exploit this flaw to bypass login controls entirely, gaining unauthorized administrative access to the system. Additionally, depending on the database configuration and permissions, attackers may be able to read sensitive member information, financial records, or other confidential data stored in the church management database.

Root Cause

The root cause of this vulnerability is insufficient input validation and the lack of parameterized queries in the /admin/index.php file. The password parameter is directly concatenated into SQL statements without proper sanitization or the use of prepared statements. This classic SQL injection pattern allows attackers to escape the intended query context and inject arbitrary SQL commands.

Attack Vector

The attack can be initiated remotely over the network without requiring any authentication or user interaction. An attacker sends a crafted HTTP request to the /admin/index.php endpoint with a malicious payload in the password parameter. The injected SQL code is then executed by the database server with the privileges of the application's database user.

The vulnerability allows attackers to manipulate authentication logic by injecting conditions that always evaluate to true, effectively bypassing password verification. More sophisticated attacks could leverage this access point to extract the entire database schema, dump user credentials, or perform administrative operations through stacked queries if supported by the database configuration.

Detection Methods for CVE-2024-3535

Indicators of Compromise

• Unusual or malformed requests to /admin/index.php containing SQL syntax characters such as single quotes, semicolons, or SQL keywords in the password field
• Database logs showing unexpected queries or error messages related to SQL syntax errors
• Authentication logs showing successful admin logins from unexpected IP addresses or at unusual times
• Evidence of data extraction attempts through time-based or error-based SQL injection techniques

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block common SQL injection patterns in HTTP POST parameters
• Monitor application logs for authentication anomalies and failed login attempts with suspicious payloads
• Deploy database activity monitoring to identify unusual query patterns or unauthorized data access
• Use intrusion detection systems (IDS) configured with signatures for SQL injection attack patterns

Monitoring Recommendations

• Enable detailed logging on the web server and database server to capture all requests to administrative endpoints
• Configure alerts for any SQL syntax errors generated by the application's database connections
• Implement real-time monitoring of authentication events for the Church Management System administrative interface
• Regularly review access logs for patterns indicative of automated scanning or exploitation attempts

How to Mitigate CVE-2024-3535

Immediate Actions Required

• Restrict network access to the /admin/index.php endpoint using firewall rules or access control lists to limit exposure to trusted IP addresses only
• Implement a Web Application Firewall (WAF) to filter malicious SQL injection payloads before they reach the application
• Review and audit all administrative access logs for signs of compromise or unauthorized access
• Consider taking the application offline if critical and no immediate patch is available, until proper remediation can be implemented

Patch Information

No official vendor patch has been released at the time of this writing. Administrators should monitor the VulDB #259905 Details page for updates and contact the vendor directly regarding remediation guidance. A proof of concept demonstrating this vulnerability has been publicly disclosed on GitHub.

Workarounds

• Implement input validation to sanitize all user-supplied data before processing, particularly the password parameter
• Modify the application code to use parameterized queries or prepared statements instead of dynamic SQL concatenation
• Deploy a reverse proxy with SQL injection filtering capabilities in front of the application
• Restrict database user privileges to the minimum required for application functionality, limiting potential damage from successful exploitation

# Example: Restrict access to admin panel via .htaccess
<Files "index.php">
    Order deny,allow
    Deny from all
    Allow from 192.168.1.0/24
    Allow from 10.0.0.0/8
</Files>