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Drupal Simplenews Scheduler 6.x PHP Code Execution

Drupal Simplenews Scheduler 6.x PHP Code Execution
Posted Sep 20, 2012
Authored by Sascha Grossenbacher, Joachim Noreiko | Site drupal.org

Drupal Simplenews Scheduler third party module version 6.x suffers from an arbitrary PHP code execution vulnerability.

tags | advisory, arbitrary, php, code execution
MD5 | c575d7d0e28b42f2ab59a423481edc40

Drupal Simplenews Scheduler 6.x PHP Code Execution

Change Mirror Download
View online: http://drupal.org/node/1789284

* Advisory ID: DRUPAL-SA-CONTRIB-2012-146
* Project: Simplenews Scheduler [1] (third-party module)
* Version: 6.x
* Date: 2012-September-19
* Security risk: Moderately critical [2]
* Exploitable from: Remote
* Vulnerability: Arbitrary PHP code execution

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

The Simplenews Scheduler module provides a system for creating automatic
email newsletters. These can be set to be sent at a fixed interval, or PHP
code can be entered to evaluate a condition for a new newsletter issue to be
sent.

The module allows a user with the 'send scheduled newsletters' access to the
scheduling form where PHP code may be entered. This code is then executed the
next time the site runs cron. A site administrator granting permissions is
not given sufficient warning that they are granting this level of access to
the site.

This vulnerability is mitigated by the fact that an attacker must have
already been granted a role with the permission 'send scheduled newsletters'.

CVE: Requested

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

* Simplenews Scheduler 6.x-2.x versions prior to 6.x-2.3.

Drupal core is not affected. If you do not use the contributed Simplenews
Scheduler [3] module, there is nothing you need to do.

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

Install the latest version:

* If you use the Simplenews Scheduler module for Drupal 6.x, upgrade to
Simplenews Scheduler 6.x-2.4 [4]

Also see the Simplenews Scheduler [5] project page.

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

* Sascha Grossenbacher [6]
* Joachim Noreiko [7] the module maintainer

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

* Joachim Noreiko [8] the module maintainer
* Sascha Grossenbacher [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/simplenews_scheduler
[2] http://drupal.org/security-team/risk-levels
[3] http://drupal.org/project/simplenews_scheduler
[4] http://drupal.org/node/1789274
[5] http://drupal.org/project/simplenews_scheduler
[6] http://drupal.org/user/214652
[7] http://drupal.org/user/107701
[8] http://drupal.org/user/107701
[9] http://drupal.org/user/214652
[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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