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Re: Apple Safari 4 Beta feeds: URI NULL Pointer Dereference Denial of, Service Vulnerability
From: Jeremy Brown <0xjbrown41 () gmail com>
Date: Thu, 26 Feb 2009 19:39:37 -0500

Not all are practically exploitable, but exploitation seems to be
possible at least on ARM, XScale, and possibly PowerPC as
www.juniper.net/solutions/literature/white_papers/Vector-Rewrite-Attack.pdf
points out. As for examples.. doesn't look like they are public.

On Thu, Feb 26, 2009 at 6:52 PM, Jubei Trippataka
<vpn.1.fanatic () gmail com> wrote:


On Fri, Feb 27, 2009 at 10:54 AM, jf <jf () danglingpointers net> wrote:

also keep in mind that null ptr deref's can sometimes be exploitable--
especially on certain processors that store important things at 0x0;
of which, from what i recall, the iphone is one.


Can you please give one example of a NULL deref that was exploitable?

--
ciao

JT

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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/


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