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             AUSCERT External Security Bulletin Redistribution

                    ESB-2007.0978 -- [Win][UNIX/Linux]
             DRUPAL CORE - SQL INJECTION POSSIBLE WHEN CERTAIN
                      CONTRIBUTED MODULES ARE ENABLED
                              6 December 2007

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Drupal Core 4.7.x, 5.x
Publisher:            Drupal
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated

Original Bulletin:    http://drupal.org/node/198162

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- ------------SA-2007-031 - DRUPAL CORE - SQL INJECTION POSSIBLE WHEN CERTAIN
CONTRIBUTED MODULES ARE ENABLED------------

  * Advisory ID: DRUPAL-SA-2007-031

  * Project: Drupal core

  * Version: 4.7.x, 5.x

  * Date: 2007-December-05

  * Security risk: Moderately critical

  * Exploitable from: Remote

  * Vulnerability: SQL Injection

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

The function taxonomy_select_nodes() directly injects variables into SQL
queries instead of using placeholders. While taxonomy module itself validates
the input passed to taxonomy_select_nodes(), this is a weakness in Drupal core.
Several contributed modules, such as taxonomy_menu [
http://drupal.org/project/taxonomy_menu ], ajaxLoader [
http://drupal.org/project/ajaxloader ], and ubrowser [
http://drupal.org/project/uBrowser ], directly pass user input to
taxonomy_select_nodes(), enabling SQL injection attacks by anonymous users.  

To learn more about SQL injection, please read this article [
http://en.wikipedia.org/wiki/SQL_injection ].

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

  * Drupal 4.7.x before Drupal 4.7.9

  * Drupal 5.x before Drupal 5.4

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

Install the latest version:

  * If you are running Drupal 4.7.x then upgrade to Drupal 4.7.9 [
http://ftp.drupal.org/files/projects/drupal-4.7.9.tar.gz ].

  * If you are running Drupal 5.x then upgrade to Drupal 5.4 [
http://ftp.drupal.org/files/projects/drupal-5.4.tar.gz ].

If you are unable to upgrade immediately, you can apply a patch to secure your
installation until you are able to do a proper upgrade. 

  * To patch Drupal 4.7.8 use SA-2007-031-4.7.8.patch [
http://drupal.org/files/sa-2007-031/SA-2007-031-4.7.8.patch ].

  * To patch Drupal 5.3 use SA-2007-031-5.3.patch [
http://drupal.org/files/sa-2007-031/SA-2007-031-5.3.patch ].

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

  * Nadid Skywalker

  * Ivan Sergio Borgonovo

- ------------CONTACT------------

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

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

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