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Category:   Application (Forum/Board/Portal)  >   Snitz Forums Vendors:   Snitz Communications
Snitz Forums Input Validation Flaw in 'pop_send_to_friend.asp' Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1023047
SecurityTracker URL:  http://securitytracker.com/id/1023047
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Oct 16 2009
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  
Version(s): 3.4.07
Description:   A vulnerability was reported in Snitz Forums. A remote user can conduct cross-site scripting attacks.

The software does not properly filter HTML code from user-supplied input before displaying the input. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Snitz Forums 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.

The 'pop_send_to_friend.asp' script is affected.

The '[sound]' tag is also affected.

Andrea Fabrizi reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Snitz Forums 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:  forum.snitz.com/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  Snitz Forums 2000 Multiple Cross-Site Scripting Vulnerabilities

**************************************************************
Application: Snitz Forums 2000
Version affected:  3.4.07
Website: http://forum.snitz.com/
Discovered By: Andrea Fabrizi
Email: andrea.fabrizi@gmail.com
Web: http://www.andreafabrizi.it
Vuln: Multiple Cross-Site Scripting
**************************************************************

###### PERMANENT XSS
If [sound] tag is allowed:

[sound]http://url_to_valid_mp3_or_m3u_file.m3u"
onLoad="alert(document.cookie)[/sound]
######

###### LINK XSS
http://localhost/forum/pop_send_to_friend.asp?url=</textarea><img
src="http://www.google.it/intl/it_it/images/logo.gif" onLoad
="alert(document.cookie)">

Note the space: onLoad<space>="alert(document.cookie)"
######

-- 
Andrea Fabrizi
http://www.andreafabrizi.it

 
 


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