From: Joanna Rutkowska <joanna@invisiblethingslab.com>
To: George Dunlap <George.Dunlap@eu.citrix.com>
Cc: Lars Kurth <lars.kurth@xen.org>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
Matt Wilson <msw@amazon.com>, Jan Beulich <JBeulich@suse.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: Security discussion: Summary of proposals and criteria (was Re: Security vulnerability process, and CVE-2012-0217)
Date: Sun, 08 Jul 2012 09:30:25 +0200 [thread overview]
Message-ID: <4FF93711.6020108@invisiblethingslab.com> (raw)
In-Reply-To: <CAFLBxZZKoVfyKuN7_kW_+mJ69PmXwUvukXBK3rpD+we8c-wvXA@mail.gmail.com>
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On 07/06/12 18:46, George Dunlap wrote:
> Another question has to do with robustness of enforcement. If there
> is a strong incentive for people on the list to break the rules
> ("moral hazard"), then we need to import a whole legal framework: how
> do we detect breaking the rules?
1) Realizing that somebody released patched binaries during embargo is
simple.
2) Detecting that somebody patched their systems might be harder (after
all we're not going to perform pen-tests on EC2 systems and the likes,
right? ;)
3) Detecting that somebody sold info about the bug/exploit to the black
market might be prohibitively hard -- the only thing that might
*somehow* help is the use of some smart water marking (e.g. of the proof
of concept code). Of course, if a person fully understands the
bug/exploit, she would be able to recreate it from scratch herself, and
then sell to the bad guys.
On the other hand, the #2 above, seems like the least problematic for
the safety of others. After all if the proverbial AWS folks patch their
systems quietly, it doesn't immediately give others (the bad guys)
access to the info about the bug, because nobody external (normally
should) have access to the (running) binaries on the providers machines.
So, perhaps #3 is of biggest concern to the community.
joanna.
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next prev parent reply other threads:[~2012-07-08 7:30 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-06 16:46 Security discussion: Summary of proposals and criteria (was Re: Security vulnerability process, and CVE-2012-0217) George Dunlap
2012-07-08 7:30 ` Joanna Rutkowska [this message]
2012-07-09 9:23 ` George Dunlap
2012-07-09 11:31 ` Joanna Rutkowska
2012-07-09 13:25 ` Joanna Rutkowska
2012-07-09 13:35 ` Keir Fraser
2012-07-09 13:40 ` Joanna Rutkowska
2012-07-09 13:51 ` Tim Deegan
2012-07-09 14:08 ` Joanna Rutkowska
2012-07-12 16:34 ` Stefano Stabellini
2012-07-12 16:47 ` Joanna Rutkowska
2012-07-12 17:00 ` Stefano Stabellini
2012-07-12 17:22 ` Joanna Rutkowska
2012-07-13 18:15 ` Stefano Stabellini
2012-07-14 0:18 ` Security discussion: Summary of proposals and criteria Matt Wilson
2012-07-16 17:56 ` George Dunlap
2012-08-03 17:31 ` Security discussion: Summary of proposals and criteria (was Re: Security vulnerability process, and CVE-2012-0217) George Dunlap
2012-08-06 6:55 ` Jan Beulich
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