(Vendor Issues Fix) Re: WoltLab Burning Board Input Validation Bug in 'wiw.php' Lets Remote Users Conduct Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1006092 |
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SecurityTracker URL: http://securitytracker.com/id/1006092
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Feb 13 2003
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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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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): wBB2; 2.0, 2.0.1, 2.0.2
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Description:
Hendrik Richter reported an input validation vulnerability in the WoltLab Burning Board (wBB) forum software. A remote user can conduct cross-site scripting attacks against wBB users.
It is reported that the 'wiw.php' script does not properly filter user-supplied input in the 'sortby' and 'order' parameters to remove HTML code.
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 wBB 2 forum 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.
A demonstration exploit URL is provided:
/board/wiw.php?sid=&order=%22%3E%3Cscript%20type=%22text/javascript%22%3Ealert(document.cookie);%3C/script%3E%3Cb%20%22
The vendor has reportedly been notified.
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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 wBB 2, 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:
http://www.woltlab.info/de/forum/attachment.php?attachmentid=1962
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Vendor URL: www.woltlab.info/de/forum/thread.php?goto=lastpost&threadid=30348 (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:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Wed, 12 Feb 2003 14:57:55 -0500
Subject: wBB 2 fix
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Hendrik Richter wrote to say that a fix was now available:
http://www.woltlab.info/de/forum/thread.php?goto=lastpost&threadid=30348&sid=
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