Prosieben Community 2011 - Persistent Web Vulnerability

Document Title:
===============
Prosieben Community 2011 - Persistent Web Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=306


Release Date:
=============
2011-10-30


Vulnerability Laboratory ID (VL-ID):
====================================
306


Common Vulnerability Scoring System:
====================================
5.8


Abstract Advisory Information:
==============================
The Vulnerability Lab Research Team discovered a persistent script code injection vulnerability in the prosieben community website application.


Vulnerability Disclosure Timeline:
==================================
2011-10-23:	Vendor Notification
2011-10-24:	Vendor Response/Feedback
2011-10-27:	Vendor Fix/Patch
2011-11-01:	Public or Non-Public Disclosure


Discovery Status:
=================
Published


Exploitation Technique:
=======================
Remote


Severity Level:
===============
Medium


Technical Details & Description:
================================
A persistent script code injection vulnerability is detected on Prosiebens Community vendor website.
Remote attackers can inject/execute malicious script codes on application-side to compromise the community profile of users.
Successful exploitation can result in session hijacking & profile manipulation via script code injection.

Vulnerable Module(s):
					[+] Profile Content & Output - Prosieben Community


Proof of Concept (PoC):
=======================
The vulnerability can be exploited by remote attacker with user account for the community portal.
For demonstration or reproduce ...

<li id="ka_profComment_3464320" class="ka_profComment clearfix" style="height: 0pt;"><div class="ka_profileCommentDate">
vor 3 Wochen <span class="ka_pipe">|</span> <a onclick='var x=".tl(";s_objectID="http://meinecommunity.prosieben.de/service
/displayKickPlace.kickAction?u=34728024&as=122896_1";return this.s_oc?this.s_oc(e):
true' href="/service/displayKickPlace.kickAction?u=34728024&as=122896">Trololol</a> </div><div class="ka_profileCommentImg">
<a onclick='var x=".tl(";s_objectID="http://meinecommunity.prosieben.de/service/displayKickPlace.kickAction?u=34728024
&as=122896_2";return this.s_oc?this.s_oc(e):true' href="/service/displayKickPlace.kickAction?u=34728024&as=122896">
<span style="background-image: url("http://media.kickstatic.com/kickapps/images/122896/icons/defaultMember_122896_portrait
48X48.jpg");"></span></a></div><div class="ka_profileCommentContent clearfix"><p>[PERSISTENT SCRIPT CODE EXECUTION HERE!]>
</p></div><div class="ka_profileCommentControls clearfix"><span class="ka_flag ka_flag_comment"><a class="" onclick='var x="
.tl(";s_objectID="http://meinecommunity.prosieben.de/service/displayKickPlace.kickAction?u=34728024&as=122896#_4";return 
this.s_oc?this.s_oc(e):true' href="#">Beitrag melden</a></span></div></li>


Security Risk:
==============
The security risk of the persistent script code inject is estimated as high(-).


Credits & Authors:
==================
Vulnerability Research Laboratory - Alexander Fuchs (F0x23)


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=========================
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may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases 
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