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Category:   Application (Forum/Board/Portal)  >   WoltLab Burning Board (wBB) Vendors:   Woltlab
(Vendor Issues Fix) Re: WoltLab Burning Board Input Validation Bug in 'wiw.php' Lets Remote Users Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1006092
SecurityTracker URL:  http://securitytracker.com/id/1006092
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Feb 13 2003
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): wBB2; 2.0, 2.0.1, 2.0.2
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.

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.
Solution:   The vendor has issued a fix:

http://www.woltlab.info/de/forum/attachment.php?attachmentid=1962

Vendor URL:  www.woltlab.info/de/forum/thread.php?goto=lastpost&threadid=30348 (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry is a follow-up to the message listed below.
Feb 12 2003 WoltLab Burning Board Input Validation Bug in 'wiw.php' Lets Remote Users Conduct Cross-Site Scripting Attacks



 Source Message Contents

Subject:  wBB 2 fix


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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