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VMware Vendor Service Cross Site Scripting

VMware Vendor Service Cross Site Scripting
Posted Aug 7, 2012
Authored by Benjamin Kunz Mejri, Vulnerability Laboratory | Site vulnerability-lab.com

VMware's vendor website service application suffers from multiple cross site scripting vulnerabilities.

tags | exploit, vulnerability, xss
SHA-256 | 97fea96f5c77623458d932b5ee192d04609a250f496344ae5ccebf8f7fa24694

VMware Vendor Service Cross Site Scripting

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Title:
======
VMware Vendor Service - Multiple Web Vulnerabilities


Date:
=====
2012-05-16


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=419


VL-ID:
=====
419


Common Vulnerability Scoring System:
====================================
5.2


Introduction:
=============
VMware, Inc. (NYSE: VMW) is a company providing virtualization software, founded in 1998 and based in Palo Alto,
California, USA. The company was acquired by EMC Corporation in 2004, and operates as a separate software subsidiary.
VMware s desktop software runs on Microsoft Windows, Linux, and Mac OS X, while VMware s enterprise software hypervisors
for servers, VMware ESX and VMware ESXi, are bare-metal embedded hypervisors that run directly on server hardware without
requiring an additional underlying operating system.

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


Abstract:
=========
A Vulnerability Lab Researcher discovered multiple persistent web vulnerabilities on the VMware vendor website service application.


Report-Timeline:
================
2012-05-03: Vendor Notification
2012-05-03: Vendor Response/Feedback
2012-05-14: Vendor Fix/Patch
2012-05-16: Public or Non-Public Disclosure


Status:
========
Published


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


Severity:
=========
High


Details:
========
Multiple persistent input validation vulnerabilities are detected on the VMware vendor website service application.
The vulnerability allows an remote attacker to hijack customer sessions with low required user inter action.
The vulnerability is located in the username and profil input fields and the output display listings.
Successful exploitation can result in account steal or execution of malicious persistent context.

Vulnerable Module(s):
[+] Profil

Vulnerable Parameter(s):
[+] Username, Welcome & Title

Proof of Concept:
=================
The vulnerabilities can be exploited by remote attackers with low required user inter action.
For demonstration or reproduce ...

1.1

<div id="header" class="proServices">
<h1>Support Contracts & Incidents</h1>
<ul id="navSession" class="navSession">
<li>Welcome,"><[SCRIPT CODE EXECUTION!]></li></ul></div></div></div></div></body></html>


1.2
<link type="text/css" rel="StyleSheet" href="productRegistration.do_files/accountserialskin.css">
<ul class="navSession" id="navSession">
<li>
Welcome ">>"<[SCRIPT CODE EXECUTION!]>
</li></ul></div></div></div></body></html>


Reference(s):
../contracts.portal.html
../productRegistration.do


Also affected:
https://www.vmware.com/mysupport/order.portal?vmware=searchOrders&qn=0


Solution:
=========
To fix the vulnerability parse the input field when processing to save profile content.
Sanitize the output listing of the user profile and title were the context is getting executed.
Restrict the input field also with a char mask or secure filter as exception-handling.


Risk:
=====
The security risk of the persistent input validation vulnerabilities are estimated as high(-).


Credits:
========
Vulnerability Laboratory [Research Team] - Benjamion Kunz Mejri (bkm@vulnerability-lab.com)


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. 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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Copyright © 2012 | Vulnerability Laboratory



--
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CONTACT: research@vulnerability-lab.com

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