full-disclosure - Re: Firefox: about:blank is phisher's best friend

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Date: Thu, 22 Feb 2007 21:56:35 +0100 (CET)
From: Michal Zalewski <lcamtuf@...ne.ids.pl>
To: Florian Weimer <fw@...eb.enyo.de>
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: Re: Firefox: about:blank is phisher's best friend

On Thu, 22 Feb 2007, Florian Weimer wrote:

> This is the first time I read about the forced window title change.  I
> hadn't noticed it earlier.  Do you think this is a good enough security
> indicator (or indicator of origin, to be more precise)?

This is quite inadequate as far as protecting inexperienced users is
considered - but at least offers a chance for more alert ones to notice
the problem.

Bypassing it through about:blank elliminates even this opportunity, so
we're back in square one...

/mz

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