PHP-Nuke Input Filtering Hole in 'modules.php' Search Feature Permits Cross-Site Scripting Attacks Against PHP-Nuke Users
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SecurityTracker Alert ID: 1005282 |
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SecurityTracker URL: http://securitytracker.com/id/1005282
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Sep 25 2002
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Impact:
Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
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Exploit Included: Yes
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Version(s): 6
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Description:
An input validation vulnerability was reported in PHP-Nuke in the 'modules.php' script. A remote user can conduct cross-site scripting attacks against PHP-Nuke users.
It is reported that 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 PHP-Nuke 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.
As a demonstration exploit, the following code can be entered into the modules.php?name=Search 'Search' box:
><script>alert(document.cookie);</script>
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Impact:
A remote user can access the target user's cookies (including authentication cookies), if any, associated with a site running PHP-Nuke, 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:
No solution was available at the time of this entry.
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Vendor URL: www.phpnuke.org/ (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: Tue, 24 Sep 2002 11:37:06 -0700
Subject: PHPNUKE 6 XSS Vulnerabilities
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http://www.phpnuke.org/modules.php?name=Search
Enter: ><script>alert(document.cookie);</script>
in form, click Search.
Needless to say these bugs won't go away.
The vendor WOULD HAVE been contacted if they just gave an email address
without having to subscribe to nukesupport/phpnuke - maybe I don't use it.
Likewise the author of PHP-NUKE has a submission form for bug reporting
(buried in a FAQ for unsubscribed people -- why do I need to dig for a
contact address?), but that also has a XSS vulnerability - *SIGH*
Nor HTML nor plain text will do through the submission form without the
javascript being executed or stripped. Instead of implying >'s and
<'s in an email, I am posting here.
--
Mark Grimes <mark@stateful.net>
Stateful Labs
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