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AUSCERT External Security Bulletin Redistribution
ESB-2008.0885 -- [Win][UNIX/Linux][OSX]
Talk, Mailhandler (Drupal third-party modules) - Cross site
scripting, SQL injection
18 September 2008
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AusCERT Security Bulletin Summary
---------------------------------
Product: Talk
Mailhandler
Publisher: Drupal
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact: Execute Arbitrary Code/Commands
Cross-site Scripting
Access: Remote/Unauthenticated
Original Bulletin: http://drupal.org/node/309758
http://drupal.org/node/309769
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- ------------SA-2008-049 - TALK - MULTIPLE VULNERABILITIES------------
* Advisory ID: DRUPAL-SA-2008-049
* Project: Talk (third-party module)
* Version: 5.x, 6.x
* Date: 2008-September-17
* Security risk: Moderately critical
* Exploitable from: Remote
* Vulnerability: Cross site scripting, Node access bypass
- ------------DESCRIPTION------------
The Talk module for Drupal 5.x and 6.x creates a "Talk" tab for nodes
in which the comments belonging to the node are displayed.
Two vulnerabilities and weaknesses were discovered in the contributed Talk
module.
CROSS SITE SCRIPTING
The node title is treated as if it was safe text, and is not escaped before
being displayed. This allows users to insert arbitrary HTML and script code
into the Talk pages. Wikipedia has more information about such cross site
scripting [http://en.wikipedia.org/wiki/Xss ] (XSS) attacks.
NODE ACCESS BYPASS
To view the comments of a normal node, you must view the node page itself,
and thus you must always have access to view a node before you can view its
comments. The Talk module bypassed this by displaying comments on a separate
page and not confirming that a user has access to view the node before
displaying the comments.
- ------------VERSIONS AFFECTED------------
* Talk for Drupal 5.x before version 5.x-1.3
* Talk for Drupal 6.x before version 6.x-1.5
Drupal core is not affected. If you do not use the contributed Talk module,
there is nothing you need to do.
- ------------SOLUTION------------
Install the latest version:
* If you currently use Talk 5.x-1.x upgrade to Talk 5.x-1.3 [
http://drupal.org/node/309760 ]
* If you currently use Talk 6.x-1.x upgrade to Talk 6.x-1.5 [
http://drupal.org/node/309759 ]
See also the Talk project page [ http://drupal.org/project/talk ].
- ------------REPORTED BY------------
* christefano [ http://drupal.org/user/104 ]
- ------------CONTACT------------
The security contact for Drupal can be reached at security at drupal.org or
via the form at [ http://drupal.org/contact ].
- ------------SA-2008-050 - MAILHANDLER - SQL INJECTION------------
* Advisory ID: DRUPAL-SA-2008-050
* Project: Mailhandler (third-party module)
* Versions: 5.x and 6.x
* Date: 2008-September-17
* Security risk: Critical
* Exploitable from: Remote
* Vulnerability: SQL injection
- ------------DESCRIPTION------------
The Mailhandler module allows users to create or edit nodes and comments via
email. One vulnerability was found in the module.
SQL Injection
Mailhandler does not properly use the Drupal database API and inserts values
from mails directly into queries. This can be exploited to perform SQL
Injection attacks [ http://en.wikipedia.org/wiki/Sql_injection ]. These
attacks may lead to a malicious user gaining administrator access.
- ------------VERSIONS AFFECTED------------
* Versions of Mailhandler for Drupal 5.x prior to 5.x-1.4
* Versions of Mailhandler for Drupal 6.x prior to 6.x-1.4
Drupal core is not affected. If you do not use the Mailhandler module, there
is nothing you need to do.
- ------------SOLUTION------------
Install the latest version.
* If you use Mailhandler for Drupal 5.x upgrade to Mailhandler 5.x-1.4
[http://drupal.org/node/309771 ]
* If you use Mailhandler for Drupal 6.x upgrade to Mailhandler 6.x-1.4
[http://drupal.org/node/309770 ]
Also see the Mailhandler project page
[ http://drupal.org/project/mailhandler].
- ------------REPORTED BY------------
* The SQL injection vulnerability was reported by the module maintainer
Zohar Stolar [ http://drupal.org/user/48488 ].
- ------------CONTACT------------
The security contact for Drupal can be reached at security at drupal.org or
via the form at [ http://drupal.org/contact ] and by selecting the security
issues category.
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