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Re: Evilgrade 2.0 - the update explotation framework is back
From: Mario Vilas <mvilas () gmail com>
Date: Sun, 31 Oct 2010 13:09:27 +0100

Just signing the update packages prevents this attack, so it's not that hard
to fix.

On Sat, Oct 30, 2010 at 5:02 PM, <Valdis.Kletnieks () vt edu> wrote:

On Sat, 30 Oct 2010 04:43:14 +0800, Jacky Jack said:
It's now a time for vendors to re-consider their updating scheme.

And do what differently, exactly?

OK, so it's *possible* to fake out the iTunes update process.  But which is
easier
and more productive:

A) Laying in wait for some random to think "Wow, I should update iTunes"
and
hijack the process.

B) Send out a few hundred thousand spam with a '
From:update () apple-itunes-support com<From%3Aupdate () apple-itunes-support com>
'
with a link to a site you control and feed the the sheep some malware.

Evilgrade looks like a nice tool to have if you're doing a pen test or a
targeted attack and can somehow get the victim to do an update (possibly
social
engineering), but for any software vendor feeding software updates to Joe
Sixpack this threat model is *so* far down the list it isn't funny.  Simply
compare the number of boxes pwned by (A) and (B) - how many people have
gotten
pwned because somebody hijacked their update from Symantec or wherever,
compared to the number pwned because they got a popup that said "Your
computer
is infected, click here to fix it"?

Remember - just because a new tool useful for an attacker shows up, does
*not*
mean it's a game changer for the industry at large.


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