full-disclosure - Re: New flaw found in Firefox 2.0.0.4: Firefox file input focus vulnerabilities

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Message-ID: <468700B5.7080202@katamail.com>
Date: Sun, 01 Jul 2007 03:17:41 +0200
From: ascii <ascii@...amail.com>
To: carl hardwick <hardwick.carl@...il.com>
Cc: Full-Disclosure@...ts.grok.org.uk
Subject: Re: New flaw found in Firefox 2.0.0.4: Firefox
 file	input focus vulnerabilities

carl hardwick wrote:
> PoC here: http://yathong.googlepages.com/FirefoxFocusBug.html
>
> The vulnerability allows the attacker to silently redirect focus of
> selected key press events to an otherwise protected file upload form
> field. This is possible because of how onKeyDown event is handled,
> allowing the focus to be moved between the two. This enables the
> attacker to read arbitrary files on victim's system.

many thanks for sharing this : )

it's a pretty serious vulnerability as said by Zalewski

regards,
Francesco `ascii` Ongaro
http://www.ush.it

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