CVE-2022-41406 in Church Management System
Summary
by MITRE • 10/12/2022
An arbitrary file upload vulnerability in the /admin/admin_pic.php component of Church Management System v1.0 allows attackers to execute arbitrary code via a crafted PHP file.
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Analysis
by VulDB Data Team • 10/12/2022
The CVE-2022-41406 vulnerability represents a critical arbitrary file upload flaw within the Church Management System version 1.0, specifically affecting the /admin/admin_pic.php component. This vulnerability exposes the system to remote code execution attacks through improper input validation and file handling mechanisms. The flaw allows attackers to upload malicious PHP files that can be executed on the server, potentially providing full administrative control over the affected system. The vulnerability stems from inadequate validation of file extensions and content, enabling attackers to bypass security restrictions and deploy malicious payloads. This issue directly impacts the integrity and confidentiality of church management data, as well as the overall security posture of organizations relying on this system for their digital infrastructure. The vulnerability's exploitation risk is particularly high due to the administrative nature of the affected component, which typically requires elevated privileges to access.
The technical implementation of this vulnerability involves the failure of the system to properly validate uploaded files against a whitelist of acceptable extensions or content types. Attackers can craft malicious PHP files with extensions that are not properly filtered, such as .php, .phtml, or even .jpg with embedded PHP code, allowing them to upload executable scripts. The /admin/admin_pic.php component likely lacks proper sanitization of file names and content, enabling the server to process and execute uploaded files as PHP code. This flaw operates under CWE-434 which categorizes insecure file upload vulnerabilities where applications accept files from untrusted sources without proper validation. The vulnerability creates a direct pathway for attackers to execute arbitrary commands on the server, potentially leading to complete system compromise. The attack vector is particularly concerning as it requires minimal privileges to exploit, making it accessible to attackers with basic web application penetration skills.
The operational impact of CVE-2022-41406 extends beyond immediate code execution capabilities to encompass comprehensive system compromise and data breaches. Organizations utilizing the Church Management System v1.0 face potential exposure of sensitive church member information, financial records, and administrative data. Attackers can establish persistent backdoors, deploy malware, or use the compromised system as a launch point for further attacks within the organization's network infrastructure. The vulnerability also affects business continuity as the compromised system may become unavailable or unreliable. Additionally, organizations may face regulatory compliance violations and reputational damage if sensitive data is accessed or exfiltrated through this vulnerability. The attack surface is amplified by the fact that many church organizations lack robust cybersecurity monitoring and incident response capabilities, making detection and remediation more challenging. This vulnerability aligns with ATT&CK technique T1190 which involves exploiting vulnerabilities in web applications to gain initial access, and T1059 which covers execution through scripts and programs.
Mitigation strategies for CVE-2022-41406 require immediate implementation of multiple security controls to prevent exploitation. Organizations must implement strict file type validation by maintaining a comprehensive whitelist of allowed extensions and rejecting all others. The system should enforce proper file content verification rather than relying solely on extension checks, using techniques such as MIME type validation and binary signature analysis. Input sanitization mechanisms must be strengthened to prevent directory traversal attacks and ensure uploaded files are stored in secure, non-executable directories. Network segmentation and access controls should be implemented to limit administrative access to the affected component. Regular security updates and patches should be applied to the Church Management System, and organizations should consider migrating to supported versions that address this vulnerability. Security monitoring should be enhanced to detect suspicious file upload activities and unauthorized access attempts. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection. Organizations should also conduct comprehensive security assessments and penetration testing to identify similar vulnerabilities in their web applications, following established frameworks such as NIST SP 800-53 and ISO/IEC 27001 standards. Regular security awareness training for administrators and developers is essential to prevent similar vulnerabilities in future application development cycles.