Re: [TLS] MS14-066 and the TLS premaster secret version check

Yuhong Bao <yuhongbao_386@hotmail.com> Wed, 26 November 2014 00:37 UTC

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From: Yuhong Bao <yuhongbao_386@hotmail.com>
To: Andrei Popov <andrei.popov@microsoft.com>, "tls@ietf.org" <tls@ietf.org>, "mrex@sap.com" <mrex@sap.com>
Date: Tue, 25 Nov 2014 16:37:43 -0800
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Archived-At: http://mailarchive.ietf.org/arch/msg/tls/jQNkbWi73BYXEX5RgWnE-FhgA_s
Subject: Re: [TLS] MS14-066 and the TLS premaster secret version check
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I asked because it backported a lot of Win8.1 SChannel in addition to the security fixes.
To be honest, they screwed up the backport of the new GCM cipher suites anyway, 
and to fix this will require a new SChannel, right?

----------------------------------------
> From: Andrei.Popov@microsoft.com
> To: yuhongbao_386@hotmail.com; tls@ietf.org; mrex@sap.com
> Subject: RE: [TLS] MS14-066 and the TLS premaster secret version check
> Date: Tue, 25 Nov 2014 23:43:03 +0000
>
> Hi Yuhong,
>
> The interop problem related to premaster secret version check is resolved in Win8 and above.
>
> MS14-066 is not related: it fixes a few security issues we found internally.
>
> Cheers,
>
> Andrei
>
> -----Original Message-----
> From: TLS [mailto:tls-bounces@ietf.org] On Behalf Of Yuhong Bao
> Sent: Tuesday, November 25, 2014 3:07 AM
> To: tls@ietf.org; mrex@sap.com
> Subject: [TLS] MS14-066 and the TLS premaster secret version check
>
> Has the incorrect premaster secret version check described in this been fixed in MS14-066:
> http://www.ietf.org/mail-archive/web/tls/current/msg08139.html
>
> Yuhong Bao
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