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

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Message-ID: <746948.94441.qm@web38012.mail.mud.yahoo.com>
Date: Sat, 30 Jun 2007 06:54:29 -0700 (PDT)
From: Joseph Hick <leet16y@...oo.com>
To: carl hardwick <hardwick.carl@...il.com>, full-disclosure@...ts.grok.org.uk
Subject: Re: New flaw found in Firefox 2.0.0.4: Firefox
	file input focus vulnerabilities

i didn't understand your poc.

you are copying the value of textarea into the file
input yourself using this code.

document.getElementById("text1").value=document.getElementById("file1").value;
document.getElementById("text1").focus();

so how is it a flaw?

--- carl hardwick <hardwick.carl@...il.com> wrote:

> New flaw found in Firefox 2.0.0.4: Firefox file
> input focus vulnerabilities:
> This demo is very simple. when you input some text
> in the textarea,
> the file input element's value will also change to
> it. I tested it on
> Firefox 1.5.0.12 and 2.0.0.4.
> 
> PoC here:
> http://yathong.googlepages.com/FirefoxFocusBug.html
> 
> credits by - Hong
> 
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