SimpleView CRM - Client Side Open Redirect Vulnerability Feb 03 2016 12:36PM
Vulnerability Lab (research vulnerability-lab com)
Document Title:
SimpleView CRM - Client Side Open Redirect Vulnerability

References (Source):

Release Date:

Vulnerability Laboratory ID (VL-ID):

Common Vulnerability Scoring System:

Product & Service Introduction:
Customer Relationship Management only scratches the surface of our web-based destination management system. Combining meeting sales,
industry partner management, consumer marketing, forecasting, business analysis, reporting, and more, Simpleview CRM is the most
widely used tool in destination marketing.

(Copy of the Vendor Homepage: http://www.simpleviewinc.com/your-solutions/crm/ )

Abstract Advisory Information:
An independent vulnerability laboratory researcher discovered a client-side redirect web vulnerability in the official SimpleView CRM web-application.

Vulnerability Disclosure Timeline:
2016-01-17: Researcher Notification & Coordination (Tommy DeVoss)
2016-01-18: Vendor Notification (SimpleView CRM Security Team)
2016-02-02: Public Disclosure (Vulnerability Laboratory)

Discovery Status:

Affected Product(s):
Product: CRM - Application 2016 Q1

Exploitation Technique:

Severity Level:

Technical Details & Description:
An open redirect web vulnerability has been discovered in the official SimpleView CRM web-application.
The bug allows remote attackers to execute external urls by the internal web-application requests via client-side.

The vulnerability is located in the `redirect` parameter of the vulnerable `./crm/track/` module. The vulnerability allows an remote
attacker to prepare client-side malicious urls to external sources. The request method to execute is GET and the vulnerability is
located on the application-side of the online-service. The vulnerability is a classic open redirect web vulnerability.

The security risk of the open redirect web vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.0.
Exploitation of the persistent input validation web vulnerability requires no privileged user account and low or medium user interaction.
Successful exploitation of the vulnerability results in client-side redirects to malicious sources or client-side phishing.

Request Method(s):
[+] GET

Vulnerable Module(s):
[+] ./crm/track/

Vulnerable Parameter(s):
[+] redirect

Proof of Concept (PoC):
The vulnerability can be exploited by remote attackers without privileged web-application user account and with low or medium user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.

Open redirect in the following module: /plugins/crm/track/?key=4_314&redirect=http://EVILURLHERE.com


Solution - Fix & Patch:
The vulnerability can be patched by a secure restriction of the `redirect/key` parameter in the `plugins` module of the software.
Disallow to request not whitelisted webpages in the `redirect` value and include a tag filter to prevent as well.

Security Risk:
The security risk of the client-side open redirect web vulnerability in the simpleview crm web-application is estimated as low. (CVSS 2.8)

Credits & Authors:
Tommy DeVoss

Disclaimer & Information:
The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties, either expressed
or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-Lab or its suppliers are not liable
in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab
or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for
consequential or incidental damages so the foregoing limitation may not apply. We do not approve or encourage anybody to break any vendor licenses,
policies, deface websites, hack into databases or trade with fraud/stolen material.

Domains: www.vulnerability-lab.com - www.vuln-lab.com - www.evolution-sec.com
Contact: admin (at) vulnerability-lab (dot) com [email concealed] - research (at) vulnerability-lab (dot) com [email concealed] - admin (at) evolution-sec (dot) com [email concealed]
Section: magazine.vulnerability-db.com - vulnerability-lab.com/contact.php - evolution-sec.com/contact
Social: twitter.com/#!/vuln_lab - facebook.com/VulnerabilityLab - youtube.com/user/vulnerability0lab
Feeds: vulnerability-lab.com/rss/rss.php - vulnerability-lab.com/rss/rss_upcoming.php - vulnerability-lab.com/rss/rss_news.php
Programs: vulnerability-lab.com/submit.php - vulnerability-lab.com/list-of-bug-bounty-programs.php - vulnerability-lab.com/register/

Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability Laboratory. Permission to
electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of other media, are reserved by
Vulnerability-Lab Research Team or its suppliers. All pictures, texts, advisories, source code, videos and other information on this website
is trademark of vulnerability-lab team & the specific authors or managers. To record, list (feed), modify, use or edit our material contact
(admin (at) vulnerability-lab (dot) com [email concealed] or research (at) vulnerability-lab (dot) com [email concealed]) to get a permission.

Copyright © 2016 | Vulnerability Laboratory - [Evolution Security GmbH]�

SERVICE: www.vulnerability-lab.com
CONTACT: research (at) vulnerability-lab (dot) com [email concealed]
PGP KEY: http://www.vulnerability-lab.com/keys/admin (at) vulnerability-lab (dot) com [email concealed]%280x19

[ reply ]


Privacy Statement
Copyright 2010, SecurityFocus