Full Disclosure mailing list archives

Re: Firefox 2.0.0.11 File Focus Stealing vulnerability


From: Juha-Matti Laurio <juha-matti.laurio () netti fi>
Date: Sun, 2 Dec 2007 11:34:42 +0200 (EET)

It appears that BID 26669 doesn't list these Bugzilla entries any more.

- Juha-Matti

Juha-Matti Laurio <juha-matti.laurio () netti fi> kirjoitti: 
N/A unfortunately, but BID26669 points to entries
https://bugzilla.mozilla.org/show_bug.cgi?id=258875
and
https://bugzilla.mozilla.org/show_bug.cgi?id=56236

via this older one advisory: http://www.securityfocus.com/bid/18308/references

Link: http://www.securityfocus.com/bid/26669/discuss

(Probably BID18038 mentioned is a typo...)

- Juha-Matti


"Randal, Phil" <prandal () herefordshire gov uk> kirjoitti: 

 And the Mozilla bugzilla number is?


-----Original Message-----
From: full-disclosure-bounces () lists grok org uk
[mailto:full-disclosure-bounces () lists grok org uk] On Behalf Of
Juha-Matti Laurio
Sent: 01 December 2007 15:25
To: carl hardwick; full-disclosure () 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 () 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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