DRUPAL-CONTRIB-2019-074 The Bat module provides a foundation through which a wide range of availability management, reservation and booking use cases can be addressed.
A low-privileged user can view other users' events due to insufficient access control in the Drupal Bat module.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is DRUPAL-CONTRIB-2019-074?
DRUPAL-CONTRIB-2019-074 is a missing authorization vulnerability in drupal/bat, published on 16 Oct 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Bat module provides a foundation through which a wide range of availability management, reservation and booking use cases can be addressed.
The routes used to view events don't sufficiently guard access for non-privileged users. Specifically, a user with the 'View own' permission for bat events can view others' events as well.
Which versions are affected by DRUPAL-CONTRIB-2019-074?
Linux distribution packages (1)
drupal/bat Packagist:https://packages.drupal.org/8 | All versions | 1.2.0 |
How do I fix DRUPAL-CONTRIB-2019-074?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is DRUPAL-CONTRIB-2019-074 being exploited?
There is no known exploitation of DRUPAL-CONTRIB-2019-074 in the wild and no public exploit code.