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Drupal 7.x < 7.44 / 8.1.x < 8.1.3 User Module Account Saving Improper Role Assignment Remote Issue

High

Synopsis

The remote server is hosting an outdated installation of Drupal that is affected by a privilege escalation vulnerability.

Description

Versions of Drupal 7.x prior to 7.44, or 8.1.x prior to 8.1.3 are unpatched, and therefore affected by a flaw in the 'User' module. The flaw is triggered when saving user accounts, as the user may incorrectly be granted 'all user' roles on the site. This may allow an authenticated, remote attacker to potentially gain elevated privileges.

Solution

Upgrade to Drupal 8.1.3 or later. If 8.1.3 cannot be obtained, version 7.44 is also patched for this vulnerability.