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Drupal Quick Tabs 6.x / 7.x Access Bypass

Drupal Quick Tabs 6.x / 7.x Access Bypass
Posted Oct 2, 2013
Authored by Steven William | Site drupal.org

Drupal Quick Tabs third party module versions 6.x and 7.x suffer from an access bypass vulnerability.

tags | advisory, bypass
MD5 | 3b7a547bf610d02e4de89677bdf2a205

Drupal Quick Tabs 6.x / 7.x Access Bypass

Change Mirror Download
View online: https://drupal.org/node/2103187

* Advisory ID: DRUPAL-SA-CONTRIB-2013-078
* Project: Quick Tabs [1] (third-party module)
* Version: 6.x, 7.x
* Date: 2013-October-02
* Security risk: Moderately critical [2]
* Exploitable from: Remote
* Vulnerability: Access bypass

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

The Quick Tabs module allows you to create blocks of tabbed content,
specifically views, blocks, nodes and other quicktabs. You can create a block
on your site containing multiple tabs with corresponding content.

The module does not sufficiently check block permissions before rendering a
Quick Tab. Before this vulnerability was addressed, if a block had been
restricted to only appear for certain roles, that access was not checked
before rending it within a Quick Tab - leaving the contents of that block
visible to the world.

This vulnerability is mitigated by the fact that node and view permissions
are respected, meaning the vulnerability primarily exists for custom blocks
created for specific roles.


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

* /A CVE identifier [3] will be requested, and added upon issuance, in
accordance with Drupal Security Team processes./

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

* Quick Tabs 7.x-3.x versions prior to 7.x-3.6.
* Quick Tabs 6.x-3.x versions prior to 6.x-3.2.
* Quick Tabs 6.x-2.x versions prior to 6.x-2.2.

Drupal core is not affected. If you do not use the contributed Quick Tabs [4]
module, there is nothing you need to do.

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

Install the latest version:

* If you use the Quick Tabs 3.x module for Drupal 7.x, upgrade to Quick Tabs
7.x-3.6 [5]
* If you use the Quick Tabs 3.x module for Drupal 6.x, upgrade to Quick Tabs
6.x-3.2 [6]
* If you use the Quick Tabs 2.x module for Drupal 6.x, upgrade to Quick Tabs
6.x-2.2 [7]

Also see the Quick Tabs [8] project page.

-------- REPORTED BY
---------------------------------------------------------

* Steven Wiliam [9]

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

* Fengtan [10]
* Matt Tucker [11] (one of) the module maintainers

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

* Lee Rowlands [12] of the Drupal Security Team

-------- CONTACT AND MORE INFORMATION
----------------------------------------

The Drupal security team can be reached at security at drupal.org or via the
contact form at http://drupal.org/contact [13].

Learn more about the Drupal Security team and their policies [14], writing
secure code for Drupal [15], and securing your site [16].


[1] http://drupal.org/project/quicktabs
[2] http://drupal.org/security-team/risk-levels
[3] http://cve.mitre.org/
[4] http://drupal.org/project/quicktabs
[5] https://drupal.org/node/2103113
[6] https://drupal.org/node/2103121
[7] https://drupal.org/node/2103127
[8] http://drupal.org/project/quicktabs
[9] http://drupal.org/user/299097
[10] http://drupal.org/user/847318
[11] http://drupal.org/user/153963
[12] http://drupal.org/user/395439
[13] http://drupal.org/contact
[14] http://drupal.org/security-team
[15] http://drupal.org/writing-secure-code
[16] http://drupal.org/security/secure-configuration

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