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Drupal PDFThumb 7.x OS Injection

Drupal PDFThumb 7.x OS Injection
Posted Sep 13, 2012
Authored by Matt Kleve, mdespeuilles | Site drupal.org

Drupal PDFThumb third part module version 7.x suffers from a remote command injection vulnerability.

tags | advisory, remote
MD5 | 8cb2d87cec60c1975a34aafeef19c8b9

Drupal PDFThumb 7.x OS Injection

Change Mirror Download
View online: http://drupal.org/node/1782580

* Advisory ID: DRUPAL-SA-CONTRIB-2012-139
* Project: PDFThumb [1] (third-party module)
* Version: 7.x
* Date: 2012-September-12
* Security risk: Moderately critical [2]
* Exploitable from: Remote
* Vulnerability: OS Injection

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

PDFThumb module creates thumbnail images of PDF files.
The module doesn't sufficiently escape user-entered values when executing
commands on the server allowing an attacker to execute whatever commands are
available to the web server user (e.g. www-data).
This vulnerability is mitigated by the fact that an attacker must have a role
with the permission "Administer PDFThumb".

CVE: Requested

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

* PDFThumb 7.x-1.x versions prior to 7.x-1.1

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

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

Install the latest version:

* If you use the PDFThumb module for Drupal 7.x, upgrade to PDFThumb 7.x-1.1
[4]

Also see the PDFThumb [5] project page.

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

* Matt Kleve [6] of the Drupal Security Team
* mdespeuilles [7], the module maintainer

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

* Matt Kleve [8] of the Drupal Security Team
* mdespeuilles [9], the module maintainer

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

* Greg Knaddison [10] of the Drupal Security Team
* Matt Kleve [11] 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 [12].

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


[1] http://drupal.org/project/pdfthumb
[2] http://drupal.org/security-team/risk-levels
[3] http://drupal.org/project/pdfthumb
[4] http://drupal.org/node/1776248
[5] http://drupal.org/project/pdfthumb
[6] http://drupal.org/user/150473
[7] http://drupal.org/user/939504
[8] http://drupal.org/user/150473
[9] http://drupal.org/user/939504
[10] http://drupal.org/user/36762
[11] http://drupal.org/user/150473
[12] http://drupal.org/contact
[13] http://drupal.org/security-team
[14] http://drupal.org/writing-secure-code
[15] http://drupal.org/security/secure-configuration

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