Outblaze Cross Site Scripting Vulnerability

[simo () morx org]

Title: outblaze Cross Site Scripting

Author: Simo Ben youssef aka _6mO_HaCk <simo_at_morx_org>
Discovered: 23 january 2005
Published: 02 february 2006
MorX Security Research Team
http://www.morx.org
Original advisory: http://www.morx.org/outblazeXSS.txt

Service: Webmail manager

Vendor: outblaze / www.outblaze.com

Vulnerability: Cross Site Scripting / Cookie-Theft / Relogin attacks

Severity: Medium/High

Details:

With over 40 million mailboxes under Outblaze management, Outblaze
provided enhanced messaging services to telcos, service providers, VARs,
Carriers and Corporations on an outsoucing basis, The core product is an
advanced email system with several available ancillary services.
throw.main outblaze script is prone to cross-site scripting attacks.
This problem is due to a failure in the application to properly sanitize
user-supplied input. input can be passed in variable $file

Impact:

an attacker can exploit the vulnerable scripts to have arbitrary script
code executed in the browser of an authentified outblaze user in the
context of the vulnerable website. resulting in the theft of cookie-based
authentication giving the attacker full access to the victim's email
account as well as other type of attacks.


Examples:

http://www.vulnerable-site.com/scripts/common/throw.main?file=<BODY%20ONLOAD=alert('vul')>



screen capture:

http://www.morx.org/mailXSS.jpg

Disclaimer:

this entire document is for eductional, testing and demonstrating purpose
only. Modification use and/or publishing this information is entirely on
your OWN risk. The information provided in this advisory is to be
used/tested on your OWN machine/Account. I cannot be held responsible for
any of the above.