SnapStream PVS LITE Cross Site Scripting Vulnerabillity

["Rafel Ivgi" <theinsider () 012 net il>]

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Application:    SnapStream PVS
Vendor       :    http://www.snapstream.com
Versions:        LITE
Platforms:       Windows/Unix
Bug:               Cross Site Scripting Vulnerabillity
Risk:              Low
Exploitation:    Remote with browser
Date:               6 Jan 2004
Author:            Rafel Ivgi, The-Insider
e-mail:             the_insider () mail com
web:                http://theinsider.deep-ice.com

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1) Introduction
2) Bug
3) The Code

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===============
1) Introduction
===============


SnapStream PVS is a Personal Video Station software. It allows the user to
remotely
 schedule recordings and playing of Tv shows using video tapes and cable TV.

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2) Bug
======

When the webserver hosting  SnapStream PVS LITE recieves a
'GET /?<script>alert('XSS')</script>' its ignores it, the data gets filtered
as it should.
But when it recieves a 'GET /?"><script>alert('XSS')</script>' the filters
are bypassed
and XSS appears and the server allows an attacker to inject & execute
scripts.

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===========
3) The Code
===========

http://<host>/?"><script>alert('XSS')</script>

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---
Rafel Ivgi, The-Insider
http://theinsider.deep-ice.com

"Things that are unlikeable, are NOT impossible."