CVE-2024-48237: WTCMS Auth Bypass Vulnerability

CVE-2024-48237 Overview

CVE-2024-48237 is a critical Incorrect Access Control vulnerability affecting WTCMS version 1.0. The vulnerability exists in the \Common\Controller\HomebaseController.class.php file, which fails to properly enforce access controls, potentially allowing unauthorized users to bypass authentication and authorization mechanisms. This broken access control flaw (CWE-863) could enable attackers to gain unauthorized access to restricted functionality or sensitive data within the content management system.

Critical Impact

This Incorrect Access Control vulnerability allows remote attackers to bypass authorization mechanisms without requiring authentication or user interaction, potentially compromising confidentiality, integrity, and availability of the affected WTCMS installation.

Affected Products

• WTCMS 1.0
• wtcms_project wtcms

Discovery Timeline

• 2024-10-25 - CVE-2024-48237 published to NVD
• 2025-04-17 - Last updated in NVD database

Technical Details for CVE-2024-48237

Vulnerability Analysis

This vulnerability is classified as Incorrect Authorization (CWE-863), indicating that the affected component fails to properly verify that a user has the necessary permissions before allowing access to protected resources or functionality. The flaw resides specifically in the HomebaseController.class.php file within the Common Controller directory of WTCMS.

The vulnerability can be exploited remotely over the network without requiring any prior authentication or user interaction. Successful exploitation could result in complete compromise of the affected system, allowing attackers to access, modify, or delete sensitive data, as well as potentially disrupt system availability.

Root Cause

The root cause of this vulnerability is improper implementation of access control checks in the HomebaseController.class.php controller. The application fails to adequately verify user authorization before processing requests, allowing unauthenticated or low-privileged users to access functionality intended only for authorized administrators or specific user roles.

Attack Vector

The attack vector for CVE-2024-48237 is network-based. An attacker can exploit this vulnerability by sending specially crafted HTTP requests to the vulnerable WTCMS installation. Since the vulnerability requires no authentication and no user interaction, an attacker can directly access restricted controller actions by manipulating request parameters or accessing protected endpoints directly.

The vulnerability allows attackers to bypass access control mechanisms that should normally restrict access to administrative or privileged functionality within the CMS. For detailed technical analysis, refer to the GitHub Issue Discussion documenting this vulnerability.

Detection Methods for CVE-2024-48237

Indicators of Compromise

• Unexpected HTTP requests to HomebaseController endpoints from unauthenticated sessions
• Access log entries showing requests to administrative functions without proper session tokens
• Unusual modifications to CMS content or configuration by unauthorized users
• Database changes or file system modifications without corresponding authenticated admin sessions

Detection Strategies

• Monitor web server access logs for requests to the \Common\Controller\HomebaseController.class.php endpoint patterns
• Implement web application firewall (WAF) rules to detect and block unauthorized access attempts to administrative controllers
• Deploy intrusion detection systems (IDS) with signatures to identify exploitation attempts targeting WTCMS
• Audit application logs for authorization failures and unusual access patterns

Monitoring Recommendations

• Enable detailed logging for all controller actions within WTCMS
• Configure alerts for access to administrative endpoints from unauthenticated sessions
• Implement real-time monitoring of authentication and authorization events
• Review access logs regularly for anomalous patterns indicative of access control bypass attempts

How to Mitigate CVE-2024-48237

Immediate Actions Required

• Restrict network access to the WTCMS installation to trusted IP addresses only
• Implement additional authentication layers such as HTTP Basic Auth or VPN requirements
• Review and audit all controller access to identify unauthorized access attempts
• Consider taking the WTCMS installation offline until a patch is available or adequate mitigations are in place

Patch Information

At the time of publication, no official patch has been released by the vendor for this vulnerability. Organizations using WTCMS 1.0 should monitor the GitHub repository for updates and consider migrating to alternative content management solutions if patches are not forthcoming.

Workarounds

• Implement web application firewall (WAF) rules to restrict access to the vulnerable HomebaseController endpoints
• Add server-level access controls (e.g., .htaccess rules) to restrict access to the \Common\Controller\ directory
• Deploy network segmentation to limit exposure of the vulnerable WTCMS installation
• Consider implementing custom authorization middleware to enforce access controls at the application level

# Example: Apache .htaccess configuration to restrict controller access
<Directory "/path/to/wtcms/Common/Controller">
    Order Deny,Allow
    Deny from all
    Allow from 192.168.1.0/24
</Directory>