IETF Logo Mail Archive

Re: [TLS] Broken browser behaviour with SCADA TLS

Hubert Kario <hkario@redhat.com> Mon, 09 July 2018 11:01 UTC

Return-Path: <hkario@redhat.com>
X-Original-To: tls@ietfa.amsl.com
Delivered-To: tls@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A5E6512D7F8 for <tls@ietfa.amsl.com>; Mon, 9 Jul 2018 04:01:49 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.201
X-Spam-Level:
X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id g96nuUXB3cWk for <tls@ietfa.amsl.com>; Mon, 9 Jul 2018 04:01:48 -0700 (PDT)
Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 64B58130F9A for <tls@ietf.org>; Mon, 9 Jul 2018 04:01:48 -0700 (PDT)
Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B14B983207; Mon, 9 Jul 2018 11:01:47 +0000 (UTC)
Received: from pintsize.usersys.redhat.com (ovpn-200-16.brq.redhat.com [10.40.200.16]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7DFDA2026D65; Mon, 9 Jul 2018 11:01:46 +0000 (UTC)
From: Hubert Kario <hkario@redhat.com>
To: tls@ietf.org, mrex@sap.com
Date: Mon, 09 Jul 2018 13:01:45 +0200
Message-ID: <4534346.lDc38SZVkg@pintsize.usersys.redhat.com>
In-Reply-To: <20180705181827.5820E409B@ld9781.wdf.sap.corp>
References: <1530687136897.97792@cs.auckland.ac.nz> <1530757910178.45400@cs.auckland.ac.nz> <20180705181827.5820E409B@ld9781.wdf.sap.corp>
MIME-Version: 1.0
Content-Type: multipart/signed; boundary="nextPart20695365.UrfWVJa5FV"; micalg="pgp-sha512"; protocol="application/pgp-signature"
X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Mon, 09 Jul 2018 11:01:47 +0000 (UTC)
X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Mon, 09 Jul 2018 11:01:47 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'hkario@redhat.com' RCPT:''
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/0uUg6vDw4oeeXgVd8kOY6DsmepE>
Subject: Re: [TLS] Broken browser behaviour with SCADA TLS
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.26
Precedence: list
List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." <tls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tls>, <mailto:tls-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tls/>
List-Post: <mailto:tls@ietf.org>
List-Help: <mailto:tls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tls>, <mailto:tls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 09 Jul 2018 11:01:50 -0000

On Thursday, 5 July 2018 20:18:27 CEST Martin Rex wrote:
> btw. which kind of "problematic pure-RSA" are you talking of?
> I'm not actually aware of any problem 

the ones that gave us 20 years of oracles to use for attacking encrypted 
connections

Bleichenbacher and ROBOT, and those are not even /timing/ based attacks!

-- 
Regards,
Hubert Kario
Senior Quality Engineer, QE BaseOS Security team
Web: www.cz.redhat.com
Red Hat Czech s.r.o., Purkyňova 115, 612 00  Brno, Czech Republic

v2.23.0 | Report a Bug | By Email