DRUPAL-CONTRIB-2020-017 This module enables you to build forms and surveys in Drupal.
Missing access checks in Drupal Webform Node allow unauthorized data access when custom code and node access modules are used.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is DRUPAL-CONTRIB-2020-017?
DRUPAL-CONTRIB-2020-017 is a missing authorization vulnerability in drupal/webform, published on 6 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
This module enables you to build forms and surveys in Drupal.
The Webform Node sub-module allows these forms to be associated with a Drupal node. The Webform Node module does not implement access checking in the same manner as other nodes and entities. As such, writers of custom modules which implement webform_node, node, or entity access checks may not achieve the intended access results for Webform Node content.
There is no known exploit of this vulnerability and the vulnerability only exists on sites with custom code and a node access module in use.
Which versions are affected by DRUPAL-CONTRIB-2020-017?
Linux distribution packages (1)
drupal/webform Packagist:https://packages.drupal.org/8 | All versions | 5.11.0 |
How do I fix DRUPAL-CONTRIB-2020-017?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is DRUPAL-CONTRIB-2020-017 being exploited?
There is no known exploitation of DRUPAL-CONTRIB-2020-017 in the wild and no public exploit code.