Solidus Auth Devise Cross-Site Request Forgery

solidus_auth_devise provides authentication services for the Solidus webstore framework, using the Devise gem. In affected versions solidus_auth_devise is subject to a CSRF vulnerability that allows user account takeover. All applications using any version of the frontend component of `solidus_auth_devise` are affected if `protect_from_forgery` method is both: Executed whether as: A `before_action` callback (the default) or A `prepend_before_action` (option `prepend: true` given) before the `:load_object` hook in `Spree::UserController` (most likely order to find). Configured to use `:null_session` or `:reset_session` strategies (`:null_session` is the default in case the no strategy is given, but `rails --new` generated skeleton use `:exception`). Users should promptly update to `solidus_auth_devise` version `2.5.4`. Users unable to update should if possible, change their strategy to `:exception`. Please see the linked GHSA for more workaround details. (2021-11-17, CVE-2021-41274)

The absence of Anti-CSRF tokens may lead to a Cross-Site Request Forgery attack that can result in executing a specific application action as another logged in user, e.g. steal their account by changing their email and password or silently adding a new admin user account when executed from the administrator account.

The attacker may copy one of your web application forms, e.g. email/password change form.

The webpage will contain a form with the exact set of fields as the original application but with input values already provided and the submit button replaced with a Javascript code causing auto-submission. When the page is accessed the form will be immediately submitted and page contents replaced with a valid content or a redirect to your original application.

One of your application users who is already logged in can be then tricked to navigate to such malicious page e.g. by clicking a link in a phishing email, and the pre-populated form content will be submitted to your application like it would be submitted by your user.