Prosieben Community Code Injection

`Title:  
======  
Prosieben Community Website - Persistent Script Code Inject  
  
  
Date:  
=====  
2011-10-31  
  
  
References:  
===========  
http://www.vulnerability-lab.com/get_content.php?id=306  
  
  
VL-ID:  
=====  
306  
  
  
Abstract:  
=========  
The Vulnerability Lab Research Team discovered a persistent script code injection vulnerability on prosiebens community website.  
  
  
Report-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  
  
  
Status:  
========  
Published  
  
  
Exploitation-Technique:  
=======================  
Remote  
  
  
Severity:  
=========  
High  
  
  
Details:  
========  
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:  
=================  
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>  
  
  
Risk:  
=====  
The security risk of the persistent script code inject is estimated as high(-).  
  
  
Credits:  
========  
Vulnerability Research Laboratory - Alexander Fuchs (F0x23)  
  
  
Disclaimer:  
===========  
The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties,   
either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-  
Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business   
profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some   
states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation   
may not apply. Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability-  
Lab. Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of   
other media, are reserved by Vulnerability-Lab or its suppliers.  
  
Copyright © 2011|Vulnerability-Lab  
  
  
  
  
--   
Website: www.vulnerability-lab.com ; vuln-lab.com or vuln-db.com  
Contact: [email protected] or [email protected]  
  
`