full-disclosure - Re: Apple Safari 4 Beta feeds: URI NULL Pointer Dereference Denial of, Service Vulnerability

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Message-ID: <1c27cb9a0902261822v5284832djbacf5f3126f026fc@mail.gmail.com>
Date: Fri, 27 Feb 2009 13:22:36 +1100
From: Jubei Trippataka <vpn.1.fanatic@...il.com>
To: neeko@...lingsinister.net
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Apple Safari 4 Beta feeds: URI NULL Pointer
	Dereference Denial of, Service Vulnerability

On Fri, Feb 27, 2009 at 12:26 PM, <neeko@...lingsinister.net> wrote:

> BM_X-Force_WP_final.pdf is called "Application-Specific Attacks:
> Leveraging the ActionScript Virtual Machine" and if you haven't read it,
> you should. It'll make you smile.
>
>
>
OK, and what about this vulnerability makes use of a NULL pointer? This goes
to show the shallow exploitation knowledge of this community. If you
actually understood the paper it's (NULL + offset). This is NOT the same as
a plain NULL deref bug. Also, you need to be able to map the NULL address,
so I ask again, in examples such as this, in users-space apps name one
exploitable condition.


-- 
ciao

JT

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