DefenseCode Security Advisory: Magento Stored Cross-Site Scripting – Product Attributes

From: Defense Code <defensecode@defensecode.com>
To: bugtraq@securityfocus.com
Cc:
Subject: DefenseCode Security Advisory: Magento Stored Cross-Site Scripting – Product Attributes
Date:


DefenseCode Security Advisory
Magento Stored Cross-Site Scripting \u2013 Product Attributes


Advisory ID:    DC-2018-03-004
Advisory Title: Magento Stored Cross-Site Scripting \u2013 Product Attributes
Advisory URL:   http://www.defensecode.com/advisories.php
Software:       Magento
Version:        Magento 2.0 prior to 2.0.18, Magento 2.1 prior to
                2.1.12, Magento 2.2 prior to 2.2.3
Vendor Status:  Vendor contacted, vulnerability fixed
Release Date:   06/03/2018
Risk:           MEDIUM



1. General Overview
===================
During the security audit of Magento Open Source 2 a stored cross-site
scripting vulnerability was discovered that could lead to administrator
account takeover by a lower privileged administrator, putting the
website customers and their payment information at risk.


2. Software Overview
====================
Magento is an ecommerce platform built on open source technology
which provides online merchants with a flexible shopping cart system,
as well as control over the look, content and functionality of their
online store. Magento offers powerful marketing, search engine
optimization, and catalog-management tools. It is a leading
enterprise-class eCommerce platform, empowering over 200,000
online retailers.

Homepage:
http://www.magento.com


3. Vulnerability Description
============================
During the security analysis of Magento Open Source 2 it was
discovered that there is a stored cross-site scripting vulnerability
present when an attribute value is set to a malicious JavaScript
payload and added to a product. The payload will execute whenever a
product is opened for editing, allowing a lower privileged admin
with access to products and attributes to attack a higher privileged
admin.


4. Solution
===========
Vendor fixed the reported security issues and released a new version.
All users are strongly advised to update to the latest available
version.


5. Credits
==========
Discovered by Bosko Stankovic (bosko@defensecode.com).


6. Disclosure Timeline
======================
22/11/2017   Vendor contacted through Bugcrowd platform
27/11/2017   Vendor responded
28/02/2018   Vulnerability fixed
06/03/2018   Advisory released



7. About DefenseCode
====================
DefenseCode L.L.C. delivers products and services designed to analyze
and test web, desktop and mobile applications for security
vulnerabilities.

DefenseCode ThunderScan is a SAST (Static Application Security
Testing, WhiteBox Testing) solution for performing extensive security
audits of application source code. ThunderScan SAST performs fast and
accurate analyses of large and complex source code projects delivering
precise results and low false positive rate.

DefenseCode WebScanner is a DAST (Dynamic Application Security
Testing, BlackBox Testing) solution for comprehensive security audits
of active web applications. WebScanner will test a website's security
by carrying out a large number of attacks using the most advanced
techniques, just as a real attacker would.

Subscribe for free software trial on our website
http://www.defensecode.com/ .

E-mail: defensecode[at]defensecode.com

Website: http://www.defensecode.com
Twitter: https://twitter.com/DefenseCode/





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