Trend Micro (Direct Pass) - Persistent Web Vulnerability

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


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1717

Trend Micro Security ID: 1-1-1039900153


Release Date:
=============
2016-05-09


Vulnerability Laboratory ID (VL-ID):
====================================
1717


Common Vulnerability Scoring System:
====================================
3.7


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 a cross site scripting web vulnerability in the official Trend Micro Direct Pass web-application.


Vulnerability Disclosure Timeline:
==================================
2016-02-08: Researcher Notification & Coordination (Karim Rahal)
2016-02-09: Vendor Notification (Trend Micro Security Team)
2016-03-06: Vendor Response/Feedback (Trend Micro Security Team)
2016-04-10: Vendor Fix/Patch (Trend Micro Developer Team)
2016-05-10: 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:
================================
An application-side input validation web vulnerability has been discovered in the official Trend Micro DirectPass online service web-application.
The vulnerability allows an attacker to inject own malicious script codes on the application-side of the affected module or function context.

The cross site scripting web vulnerability is located in the `title` value of `delete` function. Once you delete a Note listed, replacing the 
title value with a xss payload would execute the malicious context. Remote attackers are able to inject own malicious script codes as title 
value and on delete interaction the execution of the payload occurs finally. The vulnerability is located on the application-side and the 
request method to inject is POST.

The security risk of the application-side cross site vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.7. 
Exploitation of the persistent input validation web vulnerability requires a low privilege web-application user account and low user interaction. 
Successful exploitation of the vulnerability results in session hijacking, persistent phishing attacks, persistent external redirects to malicious source 
and persistent manipulation of affected or connected application modules.

Vulnerable Parameter(s):
				[+] title


Proof of Concept (PoC):
=======================
The cross site 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. Go to pwm.trendmicro.com
2. Make sure you have the Trend Micro Password Manager (Direct Pass) Extension installed
3. Go to add a new note
4. Insert a xss payload ["><img src=x onerror=alert(1)>] inside the title of the note
5. Save the note
7. Then go on and delete the note
8. Now, the payload executes finally in the index site of the application
9. Successful reproduce of the vulnerability!


PoC: Video
https://www.youtube.com/watch?v=sxHplb0pJoA


Solution - Fix & Patch:
=======================
2016-04-10: Vendor Fix/Patch (Trend Micro Developer Team)


Security Risk:
==============
The security risk of the cross site scripting web vulnerability in the web-application is estimated as medium. (CVSS 3.7)


Credits & Authors:
==================
Karim Rahal [[email protected] / [email protected]] - @KarimMTV [http://www.vulnerability-lab.com/show.php?user=Karim%20Rahal]


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