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[FD] T Mobile Business - Client Side Cross Site Scripting Vulnerability
- To: fulldisclosure@xxxxxxxxxxxx
- Subject: [FD] T Mobile Business - Client Side Cross Site Scripting Vulnerability
- From: Vulnerability Lab <research@xxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 10 Aug 2015 18:04:37 +0200
Document Title:
===============
T Mobile Business - CS Cross Site Scripting Vulnerability
References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1566
Release Date:
=============
2015-08-10
Vulnerability Laboratory ID (VL-ID):
====================================
1566
Common Vulnerability Scoring System:
====================================
2.5
Product & Service Introduction:
===============================
T-Mobile International AG is a German holding company for Deutsche Telekom
AG\\\\\\\'s various mobile communications subsidiaries outside Germany.
Based in Bonn, Germany, its subsidiaries operates GSM, UMTS and LTE-based
cellular networks in Europe, the United States, Puerto Rico, and
the U.S. Virgin Islands. The company has financial stakes in mobile operators
in both Central and Eastern Europe.
Abstract Advisory Information:
==============================
An independent vulnerability laboratory researcher discovered a client-side
cross site scripting web vulnerability in the official T-Mobile online service
web-application.
Vulnerability Disclosure Timeline:
==================================
2015-07-22: Researcher Notification (Murat Yilmazlar)
2015-07-29: Vendor Response/Feedback ( T-Mobile Security Team - Bug Bounty
Team)
2015-08-10: Public Disclosure (Vulnerability Laboratory)
Discovery Status:
=================
Published
Exploitation Technique:
=======================
Remote
Severity Level:
===============
Medium
Technical Details & Description:
================================
A non persistent cross site scripting web vulnerability has been discovered in
the official T-Mobile Business online service web-application.
The vulnerability allows remote attackers to hijack website customer, moderator
or admin sessions data by client-side manipulated cross site requests.
The vulnerability is located in the controller parameter Primary&Ntt of the
search module. Remote attackers are able to inject script code to manipulate
client-side application to browser requests. The request method to inject is
GET and the attack vector is located on the client-side of the online-service.
The security risk of the client-side cross site web vulnerability is estimated
as medium with a cvss (common vulnerability scoring system) count of 2.5.
Exploitation of the client-side cross site scripting web vulnerability requires
no privilege web application user account and low or medium user interaction.
Successful exploitation results in client-side account theft by hijacking,
client-side phishing, client-side external redirects and non-persistent
manipulation
of affected or connected service modules.
Request Method(s):
[+] GET
Vulnerable Domain(s):
[+] find.business.t-mobile.com
Vulnerable Module(s):
[+] Controller
Vulnerable File(s):
[+] 10001&Ntk
Vulnerable Parameter(s):
[+] Primary&Ntt
Proof of Concept (PoC):
=======================
The vulnerability can be exploited by remote attackers without privilege
web-application user account and with low or medium user interaction.
For security demonstration or to reproduce the vulnerability follow the
provided information and steps below to continue.
PoC:
http://find.business.t-mobile.com
';alert(String.fromCharCode(88,83,83))//';alert(String.fromCharCode(88,83,83))//";alert(String.fromCharCode(88,83,83))//";
alert(String.fromCharCode(88,83,83))//--></sCRipT>">'><sCRipT>alert(String.fromCharCode(88,83,83))</sCRipT>
PoC Image: http://i.imgur.com/klCXPmL.png
Solution - Fix & Patch:
=======================
The vulnerability has been fixed/patched by the T-Mobile security team since
30th August 2015.
Security Risk:
==============
The security risk of the client-side cross site scripting web vulnerability in
the t-mobile search module is estimated as medium. (CVSS 2.5)
Credits & Authors:
==================
Contact: muratyilmazlar1@xxxxxxxxx
Social: twitter.com/muratyilmazlarr
facebook.com/murat.yilmazlar.9 tr.linkedin.com/in/muratyilmazlarr
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=========================
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