From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF70DC0650E for ; Wed, 3 Jul 2019 14:41:53 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 988D621871 for ; Wed, 3 Jul 2019 14:41:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 988D621871 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36448 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1higSG-0002Sb-VV for qemu-devel@archiver.kernel.org; Wed, 03 Jul 2019 10:41:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58663) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1higRa-0001gR-LL for qemu-devel@nongnu.org; Wed, 03 Jul 2019 10:41:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1higRZ-0005cl-O6 for qemu-devel@nongnu.org; Wed, 03 Jul 2019 10:41:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52460) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1higRZ-0005c5-FV for qemu-devel@nongnu.org; Wed, 03 Jul 2019 10:41:09 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BA5C386671; Wed, 3 Jul 2019 14:41:08 +0000 (UTC) Received: from [10.3.116.152] (ovpn-116-152.phx2.redhat.com [10.3.116.152]) by smtp.corp.redhat.com (Postfix) with ESMTPS id F351A7C5C8; Wed, 3 Jul 2019 14:41:07 +0000 (UTC) To: =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= , qemu-devel@nongnu.org References: <20190703135411.28436-1-berrange@redhat.com> From: Eric Blake Openpgp: preference=signencrypt Autocrypt: addr=eblake@redhat.com; keydata= xsBNBEvHyWwBCACw7DwsQIh0kAbUXyqhfiKAKOTVu6OiMGffw2w90Ggrp4bdVKmCaEXlrVLU xphBM8mb+wsFkU+pq9YR621WXo9REYVIl0FxKeQo9dyQBZ/XvmUMka4NOmHtFg74nvkpJFCD TUNzmqfcjdKhfFV0d7P/ixKQeZr2WP1xMcjmAQY5YvQ2lUoHP43m8TtpB1LkjyYBCodd+LkV GmCx2Bop1LSblbvbrOm2bKpZdBPjncRNob73eTpIXEutvEaHH72LzpzksfcKM+M18cyRH+nP sAd98xIbVjm3Jm4k4d5oQyE2HwOur+trk2EcxTgdp17QapuWPwMfhaNq3runaX7x34zhABEB AAHNHkVyaWMgQmxha2UgPGVibGFrZUByZWRoYXQuY29tPsLAegQTAQgAJAIbAwULCQgHAwUV CgkICwUWAgMBAAIeAQIXgAUCS8fL9QIZAQAKCRCnoWtKJSdDahBHCACbl/5FGkUqJ89GAjeX RjpAeJtdKhujir0iS4CMSIng7fCiGZ0fNJCpL5RpViSo03Q7l37ss+No+dJI8KtAp6ID+PMz wTJe5Egtv/KGUKSDvOLYJ9WIIbftEObekP+GBpWP2+KbpADsc7EsNd70sYxExD3liwVJYqLc Rw7so1PEIFp+Ni9A1DrBR5NaJBnno2PHzHPTS9nmZVYm/4I32qkLXOcdX0XElO8VPDoVobG6 gELf4v/vIImdmxLh/w5WctUpBhWWIfQDvSOW2VZDOihm7pzhQodr3QP/GDLfpK6wI7exeu3P pfPtqwa06s1pae3ad13mZGzkBdNKs1HEm8x6zsBNBEvHyWwBCADGkMFzFjmmyqAEn5D+Mt4P zPdO8NatsDw8Qit3Rmzu+kUygxyYbz52ZO40WUu7EgQ5kDTOeRPnTOd7awWDQcl1gGBXgrkR pAlQ0l0ReO57Q0eglFydLMi5bkwYhfY+TwDPMh3aOP5qBXkm4qIYSsxb8A+i00P72AqFb9Q7 3weG/flxSPApLYQE5qWGSXjOkXJv42NGS6o6gd4RmD6Ap5e8ACo1lSMPfTpGzXlt4aRkBfvb NCfNsQikLZzFYDLbQgKBA33BDeV6vNJ9Cj0SgEGOkYyed4I6AbU0kIy1hHAm1r6+sAnEdIKj cHi3xWH/UPrZW5flM8Kqo14OTDkI9EtlABEBAAHCwF8EGAEIAAkFAkvHyWwCGwwACgkQp6Fr SiUnQ2q03wgAmRFGDeXzc58NX0NrDijUu0zx3Lns/qZ9VrkSWbNZBFjpWKaeL1fdVeE4TDGm I5mRRIsStjQzc2R9b+2VBUhlAqY1nAiBDv0Qnt+9cLiuEICeUwlyl42YdwpmY0ELcy5+u6wz mK/jxrYOpzXKDwLq5k4X+hmGuSNWWAN3gHiJqmJZPkhFPUIozZUCeEc76pS/IUN72NfprZmF Dp6/QDjDFtfS39bHSWXKVZUbqaMPqlj/z6Ugk027/3GUjHHr8WkeL1ezWepYDY7WSoXwfoAL 2UXYsMAr/uUncSKlfjvArhsej0S4zbqim2ZY6S8aRWw94J3bSvJR+Nwbs34GPTD4Pg== Organization: Red Hat, Inc. Message-ID: <8e520489-0cf2-f377-0e14-f8f02a59aae1@redhat.com> Date: Wed, 3 Jul 2019 09:41:07 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190703135411.28436-1-berrange@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="AJHohnBV99x5Q4BST2dJcxff1wTRxivN6" X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 03 Jul 2019 14:41:08 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH] doc: document that the monitor console is a privileged control interface X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Hajnoczi , P J P , "Dr . David Alan Gilbert" , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --AJHohnBV99x5Q4BST2dJcxff1wTRxivN6 Content-Type: multipart/mixed; boundary="N0PApPtRXyrKm1SDripRWRBW9JFGOMQhv"; protected-headers="v1" From: Eric Blake To: =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= , qemu-devel@nongnu.org Cc: Stefan Hajnoczi , "Dr . David Alan Gilbert" , Markus Armbruster , P J P Message-ID: <8e520489-0cf2-f377-0e14-f8f02a59aae1@redhat.com> Subject: Re: [Qemu-devel] [PATCH] doc: document that the monitor console is a privileged control interface References: <20190703135411.28436-1-berrange@redhat.com> In-Reply-To: <20190703135411.28436-1-berrange@redhat.com> --N0PApPtRXyrKm1SDripRWRBW9JFGOMQhv Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 7/3/19 8:54 AM, Daniel P. Berrang=C3=A9 wrote: > A supposed exploit of QEMU was recently announced as CVE-2019-12928 > claiming that the monitor console was insecure because the "migrate" > comand enabled arbitrary command execution for a remote attacker. command >=20 > For this to be a flaw the user launching QEMU must have configured > the monitor in a way that allows for other userrs to access it. The users > exploit report quoted use of the "tcp" character device backend for > QMP. > --=20 Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org --N0PApPtRXyrKm1SDripRWRBW9JFGOMQhv-- --AJHohnBV99x5Q4BST2dJcxff1wTRxivN6 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEccLMIrHEYCkn0vOqp6FrSiUnQ2oFAl0cvoMACgkQp6FrSiUn Q2qTkQf/RJCKd3I/fKwQwCUBMj5dI/Oqrhn4vO13j4Zb44MNBg3/vqJxTHi2fTPN nBa260EX0yKKWam5f4HpPerrR5z6caBC83Y0E0NTiUX/giGxD2l/kJnBWZiuYeHL z7cXuVw1VAarpA8trs+/DMl7I4yxXOyaGbDyZL1m6R3saJOXHMLPe+lmN4Y0DVWX 7hpx74rUtBZnF/oSzQ2E7kk+2D1nHr1wA5gUnBcPZzTfu2mPj/SJN8/Z66rNqdky 3zDpuE1S1DAfNEzWcmlAQzWISYsBx3K7keOoe4Iv4pWVreUOe5P6r8m68V20bk3q Yr1DP9DY1eW1heRxiwxNedvEQBE9Fg== =92Dr -----END PGP SIGNATURE----- --AJHohnBV99x5Q4BST2dJcxff1wTRxivN6--