Exploit the possiblities

Drupal Edit Limit 7.x Access Bypass

Drupal Edit Limit 7.x Access Bypass
Posted May 30, 2013
Authored by Morten Fangel | Site drupal.org

Drupal Edit Limit third party module version 7.x suffers from an access bypass vulnerability.

tags | advisory, bypass
MD5 | 555be099693b6d43763b05f3e6a54b86

Drupal Edit Limit 7.x Access Bypass

Change Mirror Download
View online: http://drupal.org/node/2007048

* Advisory ID: DRUPAL-SA-CONTRIB-2013-048
* Project: Edit Limit [1] (third-party module)
* Version: 7.x
* Date: 2013-May-29
* Security risk: Moderately critical [2]
* Exploitable from: Remote
* Vulnerability: Access bypass

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

Edit Limit enables you to set time and count-based limits on how and when a
user can edit nodes or comments.

The module doesn't sufficiently check user access when editing comments to
see if the user has the necessary permissions to edit a comment outside of
the limits applied by this module. This makes it possible for a user who can
edit their own comments to edit the comments of any other user.

This vulnerability is mitigated by the fact that an attacker must have a role
with the permission "edit comments".


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

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

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

* Edit Limit 7.x-1.x versions prior to 7.x-1.3.

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

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

Install the latest version:

* If you use the Edit Limit module for Drupal 7.x, upgrade to Edit Limit
7.x-1.3 [5]

Also see the Edit Limit [6] project page.

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

* Morten Fangel [7]

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

* Quade [8] the module maintainer
* Morten Fangel [9]

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

* Greg Knaddison [10] 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 [11].

Learn more about the Drupal Security team and their policies [12], writing
secure code for Drupal [13], and securing your site [14].


[1] http://drupal.org/project/edit_limit
[2] http://drupal.org/security-team/risk-levels
[3] http://cve.mitre.org/
[4] http://drupal.org/project/edit_limit
[5] http://drupal.org/node/2006188
[6] http://drupal.org/project/edit_limit
[7] http://drupal.org/user/376055
[8] http://drupal.org/user/71791
[9] http://drupal.org/user/376055
[10] http://drupal.org/user/36762
[11] http://drupal.org/contact
[12] http://drupal.org/security-team
[13] http://drupal.org/writing-secure-code
[14] http://drupal.org/security/secure-configuration

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