Hi all,

We talk about different targets and payloads in Exploiting Software.  Bottom 
line, my opinion is that it's not that much harder.  So the switch should be a 
wash.

gem

 -----Original Message-----
From:   der Mouse [mailto:[EMAIL PROTECTED]
Sent:   Fri Jan 27 15:29:59 2006
To:     SC-L@securecoding.org
Subject:        Re: [SC-L] eWeek says "Apple's Switch to Intel Could Allow OS 
XExploits"

> The article claims that Apple's use of Intel chips will result in
> more software exploits because, "'Attackers have been focused on the
> [Intel] x86 for over a decade. Macintosh will have a lot more
> exposure than when it was on PowerPC,'

Sounds likely.

> I was hoping to find some hint of a hardware architectural feature
> that the powerpc has that provided an additional means of protection,
> but the article mentions none.  Instead, the only reason that it
> cites for the (presumed) increase in software exploits is attackers'
> knowledge and experience base.

I think that's probably fair.  PPC is probably a little harder to work
with because it's RISC, making it harder to write code without NULs
(and a lot of injection mechanisms won't work if you have embedded
NULs).

However, it's not really very much harder, and attackers would have
done it if the PPC target had been as big as the x86 target.

> After all, didn't attackers also have access to powerpc systems to
> build attacks on during the same timeframe that Symantec suggests?

Sure, but less motivation to do so, because most of the machines out
there were, and are, x86.

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