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Category:   Application (Forum/Board/Portal)  >   D-forum Vendors:   Fleire, Benoit
D-forum Input Validation Holes Permit Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1013349
SecurityTracker URL:  http://securitytracker.com/id/1013349
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Mar 2 2005
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  
Version(s): 1.11
Description:   Benjilenoob reported a vulnerability in D-forum. A remote user can conduct cross-site scripting attacks.

The software does not properly validate user-supplied input in various fields. 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 D-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:

http://[target]/dforum/nav.php3?page=<script>alert()</script>

The search box text is also affected. The e-mail field when posting a new message is also affected.

The new forum title field (accessible to administrators) is also affected.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the D-forum 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.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.adalis.fr/dforum/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  D-forum


D-Forum 1.11
____________
auteur: benjilenoob

Team Hacktinium: www.hacktinium.com

Failles XSS:
************
date: 18/12/2004
~~~~
!!ATTENTION!!: CECI EST UNE XSS PERMANENTE.
Bon il y a une faille XSS au niveau de l'administration, quand l'admin cre 
un nouveau forum si il met:
"/><script>alert()</script> dans le titre de son forum cela va lancer la 
XSS!!
		----------
Faille dans le moteur de recherche il suffit d'inserer: 
"/><script></script><script>alert()</script> pour executer le script.
		----------
Faille dans la variable $page: 
http://benji/dforum/nav.php3?page=<script>alert()</script>
		----------
Faille dans la page ou l'on peut poster un msg: si l'on met 
"/><script>alert()</script> dans le champ de l'email sa va s'executer.


commentaire:
************

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