laravel-auth0 SDK Does Not Properly Handle File Types in Bulk User Import

Overview

In applications built with the Auth0-PHP SDK, the Bulk User Import endpoint does not validate the file path wrapper or value. Without proper validation, affected applications may accept arbitrary file paths or URLs.

Am I affected?

You are affected by this vulnerability if you meet the following preconditions:

1. Applications using the Auth0 laravel-auth0 SDK with version between 4.0.0 and 7.18.0,
2. Auth0 laravel-auth0 SDK uses the Auth0-PHP SDK with versions between 3.3.0 and 8.16.0.

Fix

Upgrade Auth0 laravel-auth0 SDK to version 7.19.0 or greater.

Acknowledgement

Okta would like to thank Mohamed Amine Saidani (pwni) for discovering this vulnerability.