Re: Microsoft Hack

Behcet Sarikaya <sarikaya2012@gmail.com> Wed, 10 March 2021 15:52 UTC

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Reply-To: sarikaya@ieee.org
From: Behcet Sarikaya <sarikaya2012@gmail.com>
Date: Wed, 10 Mar 2021 09:52:16 -0600
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Subject: Re: Microsoft Hack
To: Alexandre Petrescu <alexandre.petrescu@gmail.com>
Cc: 6man WG <ipv6@ietf.org>
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On Wed, Mar 10, 2021 at 7:49 AM Alexandre Petrescu <
alexandre.petrescu@gmail.com> wrote:

> Sorry, I hear now it is about some breakin in Microsoft software in
> Enterprise.
>
> This is what you meant, Behcet?
>
>

Yes. I think Bob knows.

 Behcet

> Alex
>
> Le 09/03/2021 à 21:38, Alexandre Petrescu a écrit :
> > I am not sure this is relevant to this discussion:
> >
> > There was some discussion on linkedin.  Someone (Fernando) posted info
> > about a blog post of Microsoft about several security issues, one of
> > them being the advisory to turn the IPv6 reassembly off.
> >
> >
> https://msrc-blog.microsoft.com/2021/02/09/multiple-security-updates-affecting-tcp-ip/
> >
> > then
> > https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24086
> > and then
> > Netsh int ipv6 set global reassemblylimit=0
> >
> > In that discussion I was saying that a real correction would have been
> > to correct the software (patch) such that it corrects the security
> > vulnerabilities, rather than disable the functionality altogether.
> >
> > I was saying that because I noticed this behaviour that is similar to
> > when somebody disables DHCPv6 port numbers and/or link-scoped multicast
> > because of security risks rather than making sure that the software
> > implementation is correct and tested.
> >
> > But I am not sure this is what the 'Microsoft Hack' topic request was
> > about?
> >
> > Alex
> >
> > Le 09/03/2021 à 20:58, Behcet Sarikaya a écrit :
> >> Hi Bob,
> >>
> >>
> >> On Tue, Mar 9, 2021 at 11:13 AM Bob Hinden <bob.hinden@gmail.com
> >> <mailto:bob.hinden@gmail.com>> wrote:
> >>
> >> Behcet,
> >>
> >> We have not been asked, will consider it if asked.
> >>
> >>
> >> Thanks. I saw some chat messages on it in today's 6man meeting that's
> >>  the reason I brought it up.
> >>
> >>
> >> Behcet
> >>
> >> Bob
> >>
> >>
> >>> On Mar 9, 2021, at 8:10 AM, Behcet Sarikaya
> >> <sarikaya2012@gmail.com <mailto:sarikaya2012@gmail.com>> wrote:
> >>>
> >>> Hello Ole, Bob, Folks,
> >>>
> >>> I suggest that the chairs get a presentation arranged at the next
> >> 6man on Thursday (I think Dave Thaler may be asked to do it?) on the
> >> Microsoft Hacking event that we hear on the news, in the press, etc.
> >> these days.
> >>>
> >>> Behcet
> >>> --------------------------------------------------------------------
> >>
> >>>
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