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Date: Fri, 24 Aug 2007 10:43:34 -0400
From: "Matt Richard" <>
To: "Arthur Corliss" <>,
	"M. Burnett" <>,
Subject: Re: VMWare poor guest isolation design

On 8/23/07, Arthur Corliss <> wrote:
> On Wed, 22 Aug 2007, M. Burnett wrote:
> > I have run across a design issue in VMware's scripting automation API that
> > diminishes VM guest/host isolation in such a manner to facilitate privilege
> > escalation, spreading of malware, and compromise of guest operating systems.
> >
> Furthermore, this attack only works if you are running the vmware guest
> utilities *and* you are currently logged into a GUI desktop running the
> vmware userland process.
> In (not so) short, this attack vector is virtually worthless if reasonable
> security practices are employed.

There are other methods of compromising guests without any
requirements for API's, GUI's, etc -

Matt Richard

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