[Full-disclosure] Firefox 2.0.0.11 File Focus Stealing vulnerability

[Randal, Phil]

 And the Mozilla bugzilla number is?


-----Original Message-----
From: full-disclosure-bounces at lists.grok.org.uk
[mailto:full-disclosure-bounces at lists.grok.org.uk] On Behalf Of
Juha-Matti Laurio
Sent: 01 December 2007 15:25
To: carl hardwick; full-disclosure at lists.grok.org.uk
Subject: Re: [Full-disclosure] Firefox 2.0.0.11 File Focus Stealing
vulnerability

Netscape Navigator version 9.0.0.4 is affected too. Test done with
PoC-type URL mentioned on Mac OS X 10.4.10 fully patched.
Vendor was contacted on 1st Dec 2007.

- Juha-Matti

carl hardwick <hardwick.carl at gmail.com> wrote: 
> Firefox 2.0.0.11 File Focus Stealing vulnerability:
> 
> Sorry Mozilla, but the recent file focus fix was not enough. I think 
> Mozilla made another mistake while fixing the previous file/label 
> issue. Because now I embed a file field and a textfield inside one 
> label. When this happens, and you type only one time in the textfield,

> the focus travels to the file field and the value travels with it.
> Back to the drawing board I would say. I only got it to work in 
> Firefox, Gareth checked Safari for me, and it also works in Safari. I 
> guess this type of exploit could function on other HTML objects as 
> well, and could be very dangerous because it only requires a one time 
> focus in a textfield.
> 
> PoC here:
> http://carl-hardwick.googlegroups.com/web/Firefox20011StealFocusFlaw.h
> tm
> 

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