Impact An authenticated malicious actor with Admin privileges, could by adding a special character on the add, edit User forms trigger a database error, this error is surfaced back to this actor on the UI. On certain database engines this error can include the entire user row including the pbkdf2:sha256 hashed password. Patches Fixed on 4.3.2

Flask-AppBuilder is an application development framework, built on top of the Flask web framework. Flask-AppBuilder contains an open redirect vulnerability when using database authentication login page on versions below 3.4.5. This issue is fixed in version 3.4.5. There are currently no known workarounds.

Impact User enumeration in database authentication in Flask-AppBuilder < 3.4.4. Allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in.

Patches Upgrade to 3.4.4

Workarounds

References

For more information If you have any questions or comments about this advisory: Open an issue in example link to repo Email us at example email address

Impact Improper authentication on the REST API. Allows for a malicious actor with a carefully crafted request to successfully authenticate and gain access to existing protected REST API endpoints. Only affects non database authentication types, and new REST API endpoints.

Patches Upgrade to Flask-AppBuilder 3.3.4

For more information If you have any questions or comments about this advisory: Open an issue in https://github.com/dpgaspar/Flask-AppBuilder