ESB-2018.3427 - [Win][UNIX/Linux] Drupal: Access confidential data - Remote/unauthenticated 2018-11-01

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3427
    Decoupled Router - Critical - Access bypass - SA-CONTRIB-2018- 071
                              1 November 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Drupal
Publisher:         Drupal
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade

Original Bulletin: 
   https://www.drupal.org/sa-contrib-2018-071

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Decoupled Router - Critical - Access bypass - SA-CONTRIB-2018- 071

Project: 
Decoupled Router

Version:
8.x-1.1
8.x-1.0

Date:
2018-October-31

Security risk:
Critical 15/25 AC:None/A:None/CI:Some/II:None/E:Theoretical/TD:All

Vulnerability:
Access bypass

Description:

This module enables you to resolve the provided Drupal path in order to find
the canonical path and information about the resolved entity. This information
includes entity type ID, entity ID, entity UUID and entity label.

The module doesn't sufficiently check access before displaying entity labels.
This leads to the display of labels on entities that are not be accessible, for
example; titles of unpublished content.

Solution:

Install the latest version:

  o If you use the Decoupled Router module for Drupal 8.x, upgrade to Decoupled
    Router 8.x-1.2

Also see the Decoupled Router project page.

Reported By:

  o Rainer Friederich

Fixed By:

  o Mateu Aguilo Bosch

Coordinated By:

  o Greg Knaddison (greggles) of the Drupal Security Team
  o Michael Hess (mlhess) of the Drupal Security Team

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