CVE-2024-32003 in wn-dusk-plugin
Summary
by MITRE • 04/13/2024
wn-dusk-plugin (Dusk plugin) is a plugin which integrates Laravel Dusk browser testing into Winter CMS. The Dusk plugin provides some special routes as part of its testing framework to allow a browser environment (such as headless Chrome) to act as a user in the Backend or User plugin without having to go through authentication. This route is `[[URL]]/_dusk/login/[[USER ID]]/[[MANAGER]]` - where `[[URL]]` is the base URL of the site, `[[USER ID]]` is the ID of the user account and `[[MANAGER]]` is the authentication manager (either `backend` for Backend, or `user` for the User plugin). If a configuration of a site using the Dusk plugin is set up in such a way that the Dusk plugin is available publicly and the test cases in Dusk are run with live data, this route may potentially be used to gain access to any user account in either the Backend or User plugin without authentication. As indicated in the `README`, this plugin should only be used in development and should *NOT* be used in a production instance. It is specifically recommended that the plugin be installed as a development dependency only in Composer. In order to remediate this issue, the special routes used above will now no longer be registered unless the `APP_ENV` environment variable is specifically set to `dusk`. Since Winter by default does not use this environment variable and it is not populated by default, it will only exist if Dusk's automatic configuration is used (which won't exhibit this vulnerability) or if a developer manually specifies it in their configuration. The automatic configuration performed by the Dusk plugin has also been hardened by default to use sane defaults and not allow external environment variables to leak into this configuration. This will only affect users in which the Winter CMS installation meets ALL the following criteria: 1. The Dusk plugin is installed in the Winter CMS instance. 2. The application is in production mode (ie. the `debug` config value is set to `true` in `config/app.php`). 3. The Dusk plugin's automatic configuration has been overridden, either by providing a custom `.env.dusk` file or by providing custom configuration in the `config/dusk` folder, or by providing configuration environment variables externally. 4. The environment has been configured to use production data in the database for testing, and not the temporary SQLite database that Dusk uses by default. 5. The application is connectable via the web. This issue has been fixed in version 2.1.0. Users are advised to upgrade.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 04/06/2025
The vulnerability identified as CVE-2024-32003 affects the wn-dusk-plugin component within Winter CMS, which integrates Laravel Dusk browser testing functionality into the content management system. This plugin exposes special routes designed for automated testing purposes that can be exploited to bypass authentication mechanisms. The specific vulnerable endpoint is `[[URL]]/_dusk/login/[[USER ID]]/[[MANAGER]]` where the manager parameter can be either 'backend' or 'user' to target different authentication systems within the CMS. This represents a critical security flaw classified under CWE-287 - Improper Authentication, as it allows unauthorized access to user accounts without proper authentication.
The technical implementation of this vulnerability stems from the plugin's design philosophy that assumes development-only usage while failing to properly secure production environments. The plugin's routes are registered regardless of the application's operational context, creating an attack surface when the plugin is deployed in production environments where it should never be accessible. The vulnerability specifically manifests when multiple conditions are met simultaneously, including production mode activation, manual configuration overrides, and the use of production databases during testing phases. This configuration creates a scenario where attackers can leverage the exposed authentication bypass routes to impersonate any user account within the backend or user plugin systems.
The operational impact of this vulnerability is severe as it enables privilege escalation attacks that can result in complete system compromise. An attacker with access to the web-facing application can exploit the unauthenticated routes to gain access to administrative accounts, user accounts, or both depending on the manager parameter used. This vulnerability directly maps to ATT&CK technique T1078 - Valid Accounts, as it allows unauthorized access through legitimate authentication mechanisms that should only be available during controlled testing scenarios. The exposure affects not just individual user accounts but potentially entire administrative systems, making it a critical concern for Winter CMS installations that have improperly configured the Dusk plugin in production environments.
The remediation implemented in version 2.1.0 addresses this vulnerability by introducing conditional route registration based on the `APP_ENV` environment variable being explicitly set to 'dusk'. This change ensures that the vulnerable authentication bypass routes are only accessible when the application is intentionally configured for dusk testing environments. The solution also includes hardened automatic configuration that prevents external environment variables from influencing the plugin's behavior, thereby eliminating the configuration override attack vectors. Additionally, the fix requires all five specific criteria to be met simultaneously for the vulnerability to remain exploitable, significantly reducing the attack surface in properly configured systems. This approach aligns with security best practices for development dependencies and demonstrates proper principle of least privilege implementation.
Organizations using Winter CMS should immediately upgrade to version 2.1.0 or later to mitigate this vulnerability, particularly those that have installed the Dusk plugin in production environments or have overridden the plugin's default configuration settings. The vulnerability serves as a reminder of the importance of proper environment variable management and the dangers of deploying development tools in production contexts. System administrators should review their configuration files and environment variables to ensure that the Dusk plugin is not inadvertently exposed in production environments, and that proper security controls are in place to prevent unauthorized access to sensitive administrative functions. This vulnerability also highlights the need for regular security audits of third-party plugins and their integration patterns within CMS platforms.