Drupal Input Validation Hole in Forum Module Permits Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1022495
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SecurityTracker URL: http://securitytracker.com/id?1022495
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CVE Reference: GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Jul 2 2009
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Impact: Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 6.x prior to 6.13
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Description: A vulnerability was reported in Drupal. A remote user can conduct cross-site scripting attacks.
The Forum module does not properly filter HTML code from user-supplied input before displaying the input. A remote user can create
a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's
browser. The code will originate from the site running the Drupal software and will run in the security context of that site.
As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with
the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the
target user.
Mark Piper of Catalyst IT Ltd, Sven Herrmann, and Brandon Knight separately reported this vulnerability.
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Impact: A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the
Drupal software, access data recently submitted by the target user via web form to the site, or take actions on the site acting
as the target user.
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Solution: The vendor has issued a fix (6.13).
Patches are also available for 6.12.
The vendor's advisory is available at:
http://drupal.org/node/507572
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Vendor URL: drupal.org/node/507572 (Links to External Site)
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Cause: Input validation error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
None.
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Source Message Contents
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Date: Thu, 2 Jul 2009 01:16:19 -0400
Subject: Drupal
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http://drupal.org/node/507572
SA-CORE-2009-007 - Drupal core - Multiple vulnerabilities
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