Re: [quicwg/base-drafts] Server should not accept 1-RTT traffic before handshake completion (#3159)

Antoine Delignat-Lavaud <notifications@github.com> Thu, 31 October 2019 13:37 UTC

Return-Path: <noreply@github.com>
X-Original-To: quic-issues@ietfa.amsl.com
Delivered-To: quic-issues@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 078A81200B2 for <quic-issues@ietfa.amsl.com>; Thu, 31 Oct 2019 06:37:03 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.454
X-Spam-Level:
X-Spam-Status: No, score=-6.454 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_IMAGE_ONLY_20=1.546, HTML_MESSAGE=0.001, MAILING_LIST_MULTI=-1, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=github.com
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 DnzsIbmcrxmU for <quic-issues@ietfa.amsl.com>; Thu, 31 Oct 2019 06:37:01 -0700 (PDT)
Received: from out-20.smtp.github.com (out-20.smtp.github.com [192.30.252.203]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9C3AD120088 for <quic-issues@ietf.org>; Thu, 31 Oct 2019 06:37:01 -0700 (PDT)
Date: Thu, 31 Oct 2019 06:37:00 -0700
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=github.com; s=pf2014; t=1572529020; bh=qhrX7uTU09KH92KYYPlgzZ5v9GvBrXODYHHDBwf7lxc=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=V7wZPrTuZUKDNjc1xJnceIw48pkR/U8F3Q6L/+uqSnPt0Iy2LsN5ilErDAjeiF4db qbpuJ2vww94ikssMFlDqyAjUyScdXjJFFi2UR+iyfR2Pef/6Km1bx2bdxaOm5+1R9G +H/yAo6aAus8wGIt6kXNWudGuuXwbEclxO4dVyog=
From: Antoine Delignat-Lavaud <notifications@github.com>
Reply-To: quicwg/base-drafts <reply+AFTOJKYFPFVYNUK66U32E5F3ZAK7ZEVBNHHB5FZ3ZY@reply.github.com>
To: quicwg/base-drafts <base-drafts@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <quicwg/base-drafts/issues/3159/548378457@github.com>
In-Reply-To: <quicwg/base-drafts/issues/3159@github.com>
References: <quicwg/base-drafts/issues/3159@github.com>
Subject: Re: [quicwg/base-drafts] Server should not accept 1-RTT traffic before handshake completion (#3159)
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="--==_mimepart_5dbae37ccc385_4bb13fb86b8cd96815406b8"; charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: list
X-GitHub-Sender: ad-l
X-GitHub-Recipient: quic-issues
X-GitHub-Reason: subscribed
X-Auto-Response-Suppress: All
X-GitHub-Recipient-Address: quic-issues@ietf.org
Archived-At: <https://mailarchive.ietf.org/arch/msg/quic-issues/iBgabxnfLXKi_O_SDxbaxvZvh_w>
X-BeenThere: quic-issues@ietf.org
X-Mailman-Version: 2.1.29
List-Id: Notification list for GitHub issues related to the QUIC WG <quic-issues.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/quic-issues>, <mailto:quic-issues-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/quic-issues/>
List-Post: <mailto:quic-issues@ietf.org>
List-Help: <mailto:quic-issues-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/quic-issues>, <mailto:quic-issues-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 31 Oct 2019 13:37:03 -0000

> As for the not ackng, sure, but that's a separate problem.

Agree it's off topic, but it's still very interesting for security research. I would never have expected implementations to do this and the security implications for stream integrity can be very surprising in some scenarios (such as compromised PSK), so thanks for clarifying that.

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/quicwg/base-drafts/issues/3159#issuecomment-548378457