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Drupal Core - Multiple Vulnerabilities - SA-CORE-2017-004

śr., 16/08/2017 - 18:38

Drupal 8.3.7 is a maintenance releases which contain fixes for security vulnerabilities.

Download Drupal 8.3.7

Updating your existing Drupal 8 sites is strongly recommended (see instructions for Drupal 8). This release fixes security issues only; there are no new features nor non-security-related bug fixes in this release. See the 8.3.7 release notes for details on important changes and known issues affecting this release. Read on for details of the security vulnerabilities that were fixed in this release.

Description Views - Access Bypass - Moderately Critical - Drupal 8 - CVE-2017-6923

When creating a view, you can optionally use Ajax to update the displayed data via filter parameters. The views subsystem/module did not restrict access to the Ajax endpoint to only views configured to use Ajax. This is mitigated if you have access restrictions on the view.

It is best practice to always include some form of access restrictions on all views, even if you are using another module to display them.

REST API can bypass comment approval - Access Bypass - Moderately Critical - Drupal 8 - CVE-2017-6924

When using the REST API, users without the correct permission can post comments via REST that are approved even if the user does not have permission to post approved comments.

This issue only affects sites that have the RESTful Web Services (rest) module enabled, the comment entity REST resource enabled, and where an attacker can access a user account on the site with permissions to post comments, or where anonymous users can post comments.

Entity access bypass for entities that do not have UUIDs or have protected revisions - Access Bypass - Critical - Drupal 8 - CVE-2017-6925

There is a vulnerability in the entity access system that could allow unwanted access to view, create, update, or delete entities. This only affects entities that do not use or do not have UUIDs, and entities that have different access restrictions on different revisions of the same entity.

Versions affected
  • Drupal core 8.x versions prior to 8.3.7
Solution

Install the latest version:

Drupal 7 core is not affected, however, Drupal 7 Views is: see Views - Moderately Critical - Access Bypass - DRUPAL-SA-CONTRIB-2017-068

Also see the Drupal core project page.

Reported by Views - Access Bypass REST API can bypass comment approval - Access Bypass Entity access bypass for entities that do not have UUIDs or protected revisions - Access Bypass Fixed by Views - Access Bypass REST API can bypass comment approval - Access Bypass Entity access bypass for entities that do not have UUIDs or protected revisions - Access Bypass Contact and More Information

The Drupal security team can be reached at security at drupal.org or via the contact form at https://www.drupal.org/contact.

Learn more about the Drupal Security team and their policies, writing secure code for Drupal, and securing your site.

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