CVE-2024-3534: Campcodes Church Management SQL Injection

CVE-2024-3534 Overview

A critical SQL Injection vulnerability has been discovered in Campcodes Church Management System version 1.0. The vulnerability exists in the login.php file, where the password parameter is not properly sanitized before being used in SQL queries. This allows unauthenticated remote attackers to manipulate database queries by injecting malicious SQL code through the password field, potentially leading to unauthorized access, data theft, and complete system compromise.

Critical Impact

This SQL Injection vulnerability allows remote unauthenticated attackers to bypass authentication, extract sensitive database contents, and potentially achieve full system compromise through the login functionality.

Affected Products

• Campcodes Church Management System 1.0

Discovery Timeline

• 2024-04-10 - CVE-2024-3534 published to NVD
• 2025-02-27 - Last updated in NVD database

Technical Details for CVE-2024-3534

Vulnerability Analysis

This vulnerability is classified as CWE-89 (SQL Injection), a severe web application security flaw that occurs when user-supplied input is incorporated into SQL queries without proper validation or sanitization. In Campcodes Church Management System, the login.php file accepts a password parameter that is directly concatenated into SQL queries, creating a classic SQL Injection attack surface.

The vulnerability allows attackers to craft malicious input that alters the intended SQL query logic. Since this affects the authentication mechanism, successful exploitation can result in complete authentication bypass, allowing attackers to log in as any user including administrators without knowing valid credentials.

Root Cause

The root cause of this vulnerability is improper input validation and the absence of parameterized queries (prepared statements) in the login.php authentication logic. The application directly incorporates user-supplied password values into SQL query strings without escaping special characters or using secure database query methods. This insecure coding practice allows attackers to break out of the intended query context and inject arbitrary SQL commands.

Attack Vector

The attack can be launched remotely over the network without requiring any prior authentication or user interaction. An attacker simply needs to submit a specially crafted payload through the password field in the login form. The exploit has been publicly disclosed, making it accessible to attackers with basic SQL Injection knowledge.

Typical exploitation involves submitting SQL metacharacters and logic operators through the password parameter to manipulate the authentication query. For example, an attacker might use payload patterns that always evaluate to true, bypassing password verification entirely. More sophisticated attacks could extract database contents using UNION-based injection, time-based blind injection techniques, or execute stored procedures to gain deeper system access.

For detailed technical analysis and proof-of-concept information, refer to the GitHub CVE Documentation and VulDB Entry #259904.

Detection Methods for CVE-2024-3534

Indicators of Compromise

• Unusual login activity with SQL syntax patterns (single quotes, semicolons, UNION statements) in authentication logs
• Multiple failed login attempts followed by a successful login from the same source IP
• Database error messages appearing in web server logs indicating malformed SQL queries
• Unexpected database queries or data access patterns in database audit logs

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block SQL Injection patterns in HTTP POST requests to login.php
• Implement application-level logging to capture all authentication attempts with full parameter details
• Configure intrusion detection systems (IDS) to alert on SQL Injection signatures targeting the authentication endpoint
• Review web server access logs for requests to login.php containing suspicious characters or encoded SQL payloads

Monitoring Recommendations

• Enable comprehensive logging on the Church Management System web application and underlying database
• Monitor for unusual database queries or access to sensitive tables outside of normal application behavior
• Set up alerts for multiple authentication failures followed by success, indicating potential injection bypass
• Regularly audit database access logs for unexpected SELECT, UNION, or INSERT statements

How to Mitigate CVE-2024-3534

Immediate Actions Required

• Take the Church Management System offline or restrict network access until remediation is complete
• Implement Web Application Firewall (WAF) rules to block SQL Injection attempts targeting login.php
• Review system and database logs for signs of exploitation or unauthorized access
• Change all user passwords and database credentials as a precautionary measure

Patch Information

No official vendor patch has been identified for this vulnerability at the time of publication. Organizations using Campcodes Church Management System 1.0 should contact the vendor directly for remediation guidance or consider implementing the workarounds below. Monitor the VulDB Entry #259904 for updates on patch availability.

Workarounds

• Deploy a Web Application Firewall (WAF) configured to block common SQL Injection patterns on the login.php endpoint
• Restrict network access to the application, limiting it to trusted IP addresses only
• If source code access is available, modify login.php to use parameterized queries or prepared statements
• Consider migrating to an alternative Church Management System with better security practices until a patch is available
• Implement additional authentication controls such as IP allowlisting or VPN requirements for administrative access

# Example WAF rule to block SQL injection patterns (ModSecurity format)
SecRule ARGS:password "@detectSQLi" \
    "id:100001,\
    phase:2,\
    deny,\
    status:403,\
    log,\
    msg:'SQL Injection attempt detected in login.php password parameter',\
    tag:'CVE-2024-3534'"