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ESB-2015.2672 - [Win][UNIX/Linux] Drupal: Provide misleading information - Remote/unauthenticated

Date: 22 October 2015

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Click here for PGP verifiable version
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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.2672
                          DRUPAL-SA-CORE-2015-004
                              22 October 2015

===========================================================================

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

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

Original Bulletin: 
   https://www.drupal.org/SA-CORE-2015-004

- --------------------------BEGIN INCLUDED TEXT--------------------

View online: https://www.drupal.org/SA-CORE-2015-004

   * Advisory ID: DRUPAL-SA-CORE-2015-004
   * Project: Drupal core [1]
   * Version: 7.x
   * Date: 2015-October-21
   * Security risk: 9/25 ( Less Critical)
     AC:Basic/A:None/CI:None/II:None/E:Theoretical/TD:Default [2]
   * Vulnerability: Open Redirect

- -------- DESCRIPTION---------------------------------------------------------

The Overlay module in Drupal core displays administrative pages as a layer
over the current page (using JavaScript), rather than replacing the page in
the browser window. The Overlay module does not sufficiently validate URLs
prior to displaying their contents, leading to an open redirect
vulnerability.

This vulnerability is mitigated by the fact that it can only be used against
site users who have the "Access the administrative overlay" permission, and
that the Overlay module must be enabled.

An incomplete fix for this issue was released as part of SA-CORE-2015-002
[3].


- -------- CVE IDENTIFIER(S) ISSUED--------------------------------------------

   * /A CVE identifier [4] will be requested, and added upon issuance, in
     accordance with Drupal Security Team processes./

- -------- VERSIONS AFFECTED---------------------------------------------------

   * Drupal core 7.x versions prior to 7.41.

- -------- SOLUTION------------------------------------------------------------

Install the latest version:

   * If you use Drupal 7.x, upgrade to Drupal 7.41 [5]

Also see the Drupal core [6] project page.

- -------- REPORTED BY---------------------------------------------------------
   * Samuel Mortenson [7]
   * Pere Orga [8] of the Drupal Security Team

- -------- FIXED BY------------------------------------------------------------

   * Pere Orga [9] of the Drupal Security Team
   * David Rothstein [10] of the Drupal Security Team

- -------- COORDINATED BY------------------------------------------------------

   * The Drupal Security Team [11]

- -------- 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 [12].

Learn more about the Drupal Security team and their policies [13], writing
secure code for Drupal [14], and  securing your site [15].

Follow the Drupal Security Team on Twitter at
https://twitter.com/drupalsecurity [16]


[1] https://www.drupal.org/project/drupal
[2] https://www.drupal.org/security-team/risk-levels
[3] https://www.drupal.org/SA-CORE-2015-002
[4] http://cve.mitre.org/
[5] https://www.drupal.org/drupal-7.41-release-notes
[6] https://www.drupal.org/project/drupal
[7] https://www.drupal.org/u/samuel.mortenson
[8] https://www.drupal.org/u/pere-orga
[9] https://www.drupal.org/u/pere-orga
[10] https://www.drupal.org/u/david_rothstein
[11] https://www.drupal.org/security-team
[12] https://www.drupal.org/contact
[13] https://www.drupal.org/security-team
[14] https://www.drupal.org/writing-secure-code
[15] https://www.drupal.org/security/secure-configuration
[16] https://twitter.com/drupalsecurity

- --------------------------END INCLUDED TEXT--------------------

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
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