full-disclosure - Re: OS X Local Root Exploit for Viscosity OpenVPN Client

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Message-ID: <CAHmME9pxGPxr5CijVJ4osrZGLNp7xO0UmUDsco=QN=zj2_5bkQ@mail.gmail.com>
Date: Mon, 13 Aug 2012 18:04:47 +0200
From: "Jason A. Donenfeld" <Jason@...c4.com>
To: Richard Miles <richard.k.miles@...glemail.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: OS X Local Root Exploit for Viscosity OpenVPN
	Client

On Mon, Aug 13, 2012 at 6:02 PM, Richard Miles
<richard.k.miles@...glemail.com> wrote:
> Thanks for fast reply. I'm still unsure if I understood properly.

Please reply on list.

>> Yes, it does exist. When you run Viscosity for the first time, it makes
>> that file SUID.
>
> So, you only have one chance to exploit it? Just before the first execution?

No. You have infinite chances, after first execution.

>
> I really don't understand the attack, can you please explain it in details
> or point me to some reference that explain similar attack in details for
> other product?

http://en.wikipedia.org/wiki/Setuid

>
> Thanks.
>

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