CVE-2024-3537: Church Management System SQL Injection Flaw

CVE-2024-3537 Overview

CVE-2024-3537 is a SQL injection vulnerability in Campcodes Church Management System 1.0. The flaw resides in /admin/admin_user.php, where the firstname parameter is passed to a database query without proper sanitization. Attackers with low-privilege access can manipulate the parameter to execute arbitrary SQL statements against the backend database.

The issue has been publicly disclosed and exploit details are available. Remote exploitation is possible over the network, allowing attackers to read, modify, or delete database contents.

Critical Impact
Successful exploitation compromises the confidentiality, integrity, and availability of the underlying database, enabling data theft, account manipulation, and potential authentication bypass.

Affected Products

Campcodes Church Management System 1.0
/admin/admin_user.php administrative endpoint
Deployments exposing the admin interface to untrusted networks

Discovery Timeline

2024-04-10 - CVE-2024-3537 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-3537

Vulnerability Analysis

The vulnerability is a classic SQL injection flaw classified under CWE-89. The admin_user.php script accepts a firstname argument from user input and concatenates it directly into a SQL query. Because the value is not parameterized or escaped, attackers can inject SQL syntax that alters the intended query logic.

An authenticated attacker with minimal privileges can leverage this issue to enumerate users, extract password hashes, or manipulate administrative records. The public disclosure of exploit details increases the risk of opportunistic scanning and abuse against exposed installations.

Root Cause

The root cause is improper neutralization of special characters in the firstname parameter before it is used to construct an SQL statement. The application lacks prepared statements or input validation on this administrative endpoint. Any string containing SQL metacharacters is interpreted by the database as part of the query.

Attack Vector

Exploitation requires network access to the administrative interface and low-privilege credentials. An attacker submits a crafted HTTP request to /admin/admin_user.php with a malicious payload in the firstname field. Typical payloads use UNION-based, boolean-based, or time-based techniques to extract database contents or bypass authorization checks.

The vulnerability requires no user interaction and can be automated using tools such as sqlmap. Full technical details are available in the GitHub Vulnerability Document and the VulDB Entry #259907.

Detection Methods for CVE-2024-3537

Indicators of Compromise

HTTP POST or GET requests to /admin/admin_user.php containing SQL metacharacters such as ', --, UNION, or SLEEP( in the firstname parameter
Unexpected database errors in web server logs referencing the admin_user.php script
Anomalous administrator account creations, modifications, or privilege changes in the application database

Detection Strategies

Deploy web application firewall (WAF) rules that identify SQL injection signatures in POST bodies to /admin/admin_user.php
Enable database query logging and alert on statements referencing the firstname column with UNION, comment sequences, or sleep functions
Correlate authentication events with subsequent administrative changes to detect abuse of the vulnerable endpoint

Monitoring Recommendations

Baseline normal request patterns to the admin interface and alert on deviations in payload length, parameter entropy, or request frequency
Monitor outbound connections from the web server for signs of data exfiltration following suspicious admin requests
Review admin panel access logs for unfamiliar IP addresses or credential reuse across sessions

How to Mitigate CVE-2024-3537

Immediate Actions Required

Restrict access to /admin/ paths using IP allowlisting, VPN, or reverse proxy authentication until a patched build is available
Rotate all administrative credentials and audit user accounts for unauthorized additions or privilege changes
Deploy WAF rules to block SQL injection payloads targeting the firstname parameter

Patch Information

No official vendor patch has been published for Campcodes Church Management System 1.0 at the time of this writing. Organizations should evaluate whether continued use of this application is appropriate given the disclosed vulnerability and lack of vendor remediation. Review the VulDB CTI Report #259907 for additional guidance.

Workarounds

Modify the affected PHP code to use parameterized queries or PDO prepared statements for all user-supplied input, including the firstname field
Apply server-side input validation that rejects characters outside an expected allowlist for name fields
Isolate the application in a segmented network zone and require multi-factor authentication at the reverse proxy layer

bash

# Example WAF rule (ModSecurity) to block SQLi in firstname parameter
SecRule ARGS:firstname "@rx (?i)(union(.*?)select|sleep\(|--|';)" \
    "id:1002437,phase:2,deny,status:403,\
    msg:'Potential SQL Injection targeting CVE-2024-3537',\
    tag:'CWE-89'"