RTL TV Website - Persistent Service Vulnerabilities

Document Title:
===============
RTL TV Website - Persistent Service Vulnerabilities



Release Date:
=============
2011-08-27


Vulnerability Laboratory ID (VL-ID):
====================================
257


Product & Service Introduction:
===============================
RTL Television (formerly RTL plus) is a German commercial television station distributed 
via cable and satellite along with DVB-T (Digital Video Broadcasting – Terrestrial), in 
larger population centres. It belongs to the RTL Group and is, in terms of market share, 
Germany`s largest private free-to-air broadcaster.

(Copy of the Vendor Homepage: http://en.wikipedia.org/wiki/RTL_Television)


Abstract Advisory Information:
==============================
A Vulnerability-Lab researcher discovered multiple persistent HTML/Javascript injection vulnerabilities for RTL TV vendor website.


Vulnerability Disclosure Timeline:
==================================
2011-05-25:	Vendor Notification
2011-**-**:	Vendor Response/Feedback
2011-08-27:	Vendor Fix/Patch
2011-08-27:	Public or Non-Public Disclosure


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


Affected Product(s):
====================

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


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


Technical Details & Description:
================================
A persistent input validation vulnerability is detected on RTL Commnunity Page. The vulnerability allows an 
remote attacker to implement/inject malicious persistent script code over the input fields -group_name and -description.
The successfully exploitation of the vulnerability allows an attacker to hijack customer sessions or can lead to 
malicous persistent script code execution on application-side.

Vulnerable Module(s):
								[+] Group Title Input Field
								[+] Group Description Input Field

Affected:
								[+] Newest Group View
								[+] Profile Groups

Pictures:
								../1.png
								../2.png


Proof of Concept (PoC):
=======================
The vulnerability can be exploited by low level user accounts on the application system. For demonstration or reproduce ...

1.1
<input type="text" value=""><iframe src=//www.google.de onload=alert('LALALA') 
<" id="group_title" maxlength="60" class="inputtext" name="group_title">

1.2
<a title="Alte unter sich und mit Euch" href="/gruppen/profil/219">Alte unter sic.
."><iframe src=//www.google.de onload=alert('LALALA') <.</a>




Security Risk:
==============
The security risk of the  persistent input validation vulnerability is estimated as medium(+).


Credits & Authors:
==================
Vulnerability Research Laboratory - Alexander Fuchs (A-HEALL) [www.1337core.de]


Disclaimer & Information:
=========================
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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 
or trade with fraud/stolen material.

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