Re: [Xen-devel] Earlier embargoed pre-disclosure without patches

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

(Just adding Lars so he is aware and can run the formal vote once we
have consensus on a proposal for new text)

On Tue, 2015-05-26 at 15:38 +0000, Major Hayden wrote:
> On 05/26/2015 07:15 AM, Stefano Stabellini wrote:
> > On Fri, 22 May 2015, Major Hayden wrote:
> >> > On 05/22/2015 09:04 AM, Jan Beulich wrote:
> >>> > > If you were to ask for this only if the time gap until embargo expiry
> >>> > > was less than the default of two weeks, maybe I would buy this.
> >> > 
> >> > I'm good with that as well.  I think we're saying:
> >> > 
> >> >   if embargo_length < 14d:
> >> >     # XSA-133 situation
> >> >     send_pre_disclosure_draft()
> >> >     wait_for_patches()
> >> >   elif embargo_length >= 14d and not patches_ready:
> >> >     wait_for_patches()
> >> >   else:
> >> >     send_pre_disclosure_full()
> >> > 
> >> > Forgive my awful pseudo code. My coffee buffer is not yet full. ;)
> > It makes sense to me. I can see the value for an organization with
> > thousands of servers to know about it in advance, regardless of the
> > patches, so that it can schedule the update work appropriately.
> 
> Thanks for the help, folks.  I've tossed a proposed security policy change 
> into a Github gist[1].
> 
> My proposal is to add this paragraph to the "Embargo and disclosure schedule" 
> section of the Xen Security Policy[2]:
> 
>     In the event that a two week embargo cannot be guaranteed,
>     we will send a draft with information about the vulnerability
>     to the pre-disclosure list as soon as possible, even if 
>     patches have not yet been written or tested.  An updated 
>     draft will be sent to the pre-disclosure list once patches
>     become available.
> 
> I welcome any and all feedback.  Thanks!
> 
> [1] https://gist.github.com/major/1a4f7ba7787b754845e9
> [2] http://www.xenproject.org/security-policy.html
> 
> --
> Major Hayden
> 
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