From: Avi Kivity <avi@redhat.com>
To: Asias He <asias.hejun@gmail.com>
Cc: Pekka Enberg <penberg@kernel.org>,
Sasha Levin <levinsasha928@gmail.com>,
Ingo Molnar <mingo@elte.hu>, Cyrill Gorcunov <gorcunov@gmail.com>,
kvm@vger.kernel.org
Subject: Re: [PATCH 1/2] kvm tools: Export DISPLAY ENV as our default host ip address
Date: Wed, 05 Sep 2012 10:56:02 +0300 [thread overview]
Message-ID: <50470592.4090002@redhat.com> (raw)
In-Reply-To: <CAFO3S41N449eySJ0VgCb5CypgncEx26Dz6U2bmEw2-7bSiKS6w@mail.gmail.com>
On 09/05/2012 09:03 AM, Asias He wrote:
> On Tue, Sep 4, 2012 at 9:07 PM, Avi Kivity <avi@redhat.com> wrote:
>> On 08/24/2012 02:29 PM, Asias He wrote:
>>> It is useful to run a X program in guest and display it on host.
>>>
>>> 1) Make host's x server listen to localhost:6000
>>> host_shell$ socat -d -d TCP-LISTEN:6000,fork,bind=localhost \
>>> UNIX-CONNECT:/tmp/.X11-unix/X0
>>>
>>> 2) Start the guest and run X program
>>> host_shell$ lkvm run -k /boot/bzImage
>>> guest_shell$ xlogo
>>>
>>
>> Note, this is insecure, don't do this with untrusted guests.
>
> In this use case, the user on the host side should trust the guest.
>
> Btw, any attack the untrusted guests can do with the X port which host listens?
Steal the entire display, record user keystrokes, present false information.
btw, how did it work? The you need the xauth cookie for this to work,
or disable authentication.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2012-09-05 7:56 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-24 11:29 [PATCH 1/2] kvm tools: Export DISPLAY ENV as our default host ip address Asias He
2012-08-24 11:29 ` [PATCH 2/2] kvm tools: Mount devpts to /dev/pts Asias He
2012-09-04 13:07 ` [PATCH 1/2] kvm tools: Export DISPLAY ENV as our default host ip address Avi Kivity
2012-09-05 6:03 ` Asias He
2012-09-05 7:56 ` Avi Kivity [this message]
2012-09-05 9:19 ` Asias He
2012-09-05 9:29 ` Avi Kivity
2012-09-05 9:46 ` Asias He
2012-09-05 9:53 ` Avi Kivity
2012-09-05 10:14 ` Asias He
2012-09-05 11:56 ` Avi Kivity
2012-09-06 3:32 ` Asias He
2012-09-06 7:59 ` Avi Kivity
2012-09-10 1:26 ` Asias He
2012-09-10 8:19 ` Avi Kivity
2012-09-05 8:00 ` Pekka Enberg
2012-09-05 8:09 ` Ingo Molnar
2012-09-05 9:16 ` Asias He
2012-09-05 9:13 ` Asias He
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