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Message-Id: <887D3C3C-7B2A-498C-9074-FE701D3BD432@openssl.it>
Date: Wed, 4 Aug 2010 20:32:04 +0200
From: "Marcello Barnaba (void)" <vjt@...nssl.it>
To: Pablo Ximenes <pablo@...en.es>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: On the iPhone PDF and kernel exploit
On Aug 4, 2010, at 7:56 PM, Pablo Ximenes wrote:
> I believe Jailbreakme.com is just REsurfacing,as it used to be used back in
> the days of the first gen iPhone also for jailbreaking. So, it's not
> excatly the first time this is happening.
Yep, but the attack surface was more wide open at the time: in the 1.x era
applications ran with root privileges (now they run under the "mobile" user)
and there was no sandboxing of user processes (no seatbelt :-).
In a nutshell, it was feasible to exploit a system configured that way with
any remote execution vulnerability, such as the TIFF[1][2] one.
[1]: http://secunia.com/advisories/27213/
[2]: http://support.apple.com/kb/HT2170
~Marcello
--
~ marcello.barnaba@...il.com
~ http://www.linkedin.com/in/marcellobarnaba
~ http://sindro.me/
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