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Drupal Common Wikis 7.x Access Bypass / Privilege Escalation

Drupal Common Wikis 7.x Access Bypass / Privilege Escalation
Posted Mar 28, 2013
Authored by Ezra Barnett Gildesgame, Joseph Pontani, Jakob Perry | Site drupal.org

Drupal Common Wikis third party module version 7.x suffers from access bypass and privilege escalation vulnerabilities.

tags | advisory, vulnerability
MD5 | f8f004c348fc5d4bb65bf161bcbfa6b5

Drupal Common Wikis 7.x Access Bypass / Privilege Escalation

Change Mirror Download
View online: http://drupal.org/node/1954766

* Advisory ID: DRUPAL-SA-CONTRIB-2013-039
* Project: Commons Wikis [1] (third-party module)
* Version: 7.x
* Date: 2013-March-27
* Security risk: Moderately critical [2]
* Exploitable from: Remote
* Vulnerability: Access bypass, Multiple vulnerabilities

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

The Drupal Commons distribution is a tool for building social, group-based
collaboration communities. The Commons Wikis module is used by the
distribution to provide specific wiki functionality.

Versions 3.0 and earlier of the Commons Wikis module is vulnerable to an
access bypass and privilege escalation vulnerability that allows anonymous
users to post content into groups.


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

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

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

* Drupal Commons and Commons Wikis versions prior to 7.x-3.1.

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

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

Install the latest version:

* If you use Commons Wikis module upgrade to Commons Wikis 7.x-3.1 [5] or
install the latest version of the Drupal Commons distribution (7.x-3.1)
which will include the fix for Commons Wikis

Also see the Commons Wikis [6] project page.

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

Commons project maintainers:
* Jakob Perry [7]
* Joseph Pontani [8]
* Ezra Gildesgame [9]

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

Commons project maintainers:
* Jakob Perry [10]
* Joseph Pontani [11]
* Ezra Gildesgame [12]

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

* Greg Knaddison [13] of the Drupal Security Team
* Ben Jeavons [14] 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 [15].

Learn more about the Drupal Security team and their policies [16], writing
secure code for Drupal [17], and securing your site [18].


[1] http://drupal.org/project/commons_wikis
[2] http://drupal.org/security-team/risk-levels
[3] http://cve.mitre.org/
[4] http://drupal.org/project/commons_wikis
[5] http://drupal.org/node/1954768
[6] http://drupal.org/project/commons_wikis
[7] http://drupal.org/user/45640
[8] http://drupal.org/user/1014606
[9] http://drupal.org/user/69959/
[10] http://drupal.org/user/45640
[11] http://drupal.org/user/1014606
[12] http://drupal.org/user/69959/
[13] http://drupal.org/user/36762
[14] http://drupal.org/user/91990
[15] http://drupal.org/contact
[16] http://drupal.org/security-team
[17] http://drupal.org/writing-secure-code
[18] http://drupal.org/security/secure-configuration

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