bugtraq - Re: [Full-disclosure] Firefox focus stealing vulnerability (possibly other browsers)

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Date: Sun, 11 Feb 2007 23:42:37 +0100 (CET)
From: Michal Zalewski <lcamtuf@...ne.ids.pl>
To: Paul Szabo <psz@...hs.usyd.edu.au>
Cc: news@...ksch.org, bugtraq@...urityfocus.com,
	full-disclosure@...ts.grok.org.uk
Subject: Re: [Full-disclosure] Firefox focus stealing vulnerability (possibly
 other browsers)

On Mon, 12 Feb 2007, Paul Szabo wrote:

>   https://bugzilla.mozilla.org/show_bug.cgi?id=304480
>   https://bugzilla.mozilla.org/show_bug.cgi?id=56236
>   https://bugzilla.mozilla.org/show_bug.cgi?id=258875

This probably explains why the core of the problem wasn't fixed for
Firefox: reports were repeatedly reduced to an issue with hiding file
input fields by manipulating opacity or visibility (in my example, I
placed the box off-screen to the left, at negative absolute coords,
instead). A proper solution would be to restrict the ability for scripts
to manipulate focus and read contents of file input fields, instead.

/mz