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TITLE:
Drupal Talk Module Script Insertion and Security Bypass

SECUNIA ADVISORY ID:
SA31908

VERIFY ADVISORY:
http://secunia.com/advisories/31908/

CRITICAL:
Less critical

IMPACT:
Security Bypass, Cross Site Scripting, Exposure of sensitive
information

WHERE:
>From remote

SOFTWARE:
Talk 5.x (module for Drupal)
http://secunia.com/advisories/product/19880/
Talk 6.x (module for Drupal)
http://secunia.com/advisories/product/19881/

DESCRIPTION:
Two vulnerabilities have been reported in the Talk module for Drupal,
which can be exploited by malicious users to conduct script insertion
attacks, and by malicious people to bypass certain security
restrictions.

1) Input passed as the node title is not properly sanitised before
being stored. This can be exploited to insert arbitrary HTML and
script code, which is executed in a user's browser session in context
of an affected site when the malicious data is viewed.

Successful exploitation of this vulnerability requires valid user
credentials.

2) A vulnerability is caused due to improper access restriction when
viewing comments. This can be exploited to view comments to a node
without sufficient access rights.

The vulnerabilities are reported in all 5.x versions prior to 5.x-1.3
and all 6.x versions prior to 6.x-1.5.

SOLUTION:
Update to version 5.x-1.3 or 6.x-1.5.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits christefano.

ORIGINAL ADVISORY:
DRUPAL-SA-2008-049:
http://drupal.org/node/309758

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