From: Eric Norbut (ericse-gi.com)
Date: Mon May 10 2004 - 15:35:16 CDT

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This is a problem with Squid, as I was able to replicate the same bypassing
with Opera.

-----Original Message-----
From: Nuno Costa [mailto:webcentersapo.pt]
Sent: Monday, May 10, 2004 1:17 PM
To: bugtraqsecurityfocus.com
Subject: a litle bypass with IE

 hello im not a expert in this area, but i work in a intranet that haves
the Squid/2.3.STABLE5 filtring all access's to the internet.. so i don't
have access to the internet directaly, but i know that this proxy allow
access to especific web sites.. so, in the past if i us this:
http://urlwebsite_allowed.pt -> the vuln that is already discovered... i
have access to the website that i want... but in this days, this vuln is
now fixed so... in my test's i found this way to pass this proxy, using:
http://website_allowed.ptmy_url -> now i have access... using url.pt
i can bypass the proxy and access the internet, i don't know how faur, this
could go!! so i don't know if this is a bug from IE or just a simple bug
from Squid.. ??? can anyone tell what we have in hands ? PS: sorry my
inglish Nuno Costa webcentersapo.pt Portugal

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