From owner-freebsd-security@freebsd.org Thu Oct 17 18:18:10 2019 Return-Path: Delivered-To: freebsd-security@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id CE5AB15A197 for ; Thu, 17 Oct 2019 18:18:10 +0000 (UTC) (envelope-from bilbo@hobbiton.org) Received: from mail-ed1-x529.google.com (mail-ed1-x529.google.com [IPv6:2a00:1450:4864:20::529]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46vHTY2Vfyz4X1y for ; Thu, 17 Oct 2019 18:18:08 +0000 (UTC) (envelope-from bilbo@hobbiton.org) Received: by mail-ed1-x529.google.com with SMTP id r9so2521214edl.10 for ; Thu, 17 Oct 2019 11:18:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ofwilsoncreek-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=b2sXKXU5BN6wsJXjmSPtb98p4llP54H5yuK8Oq2Knb8=; b=gvjnCgesUeg6OUr90IS0XT73BhLkhQDKHTkEfY6HqNnXiLbCTkJHhIIQVqn7B98v/f F848UK0sxSkYVOY1Z6W/WCRnf6mlaR9rKg9SATG15OKJTBTusMpSojU9kaiFy4yR4RMO PoOGqr2mGKv7qrsrEENVQBa56oNmi3aZWHbAOLViPOFl8Y/kpYXV7knwHyv4IvOU2F3N 7VYB05HWiOjuZQeXAnfDXx5mXIr3nKFfKD/gTvhMjLB/B1ssmxzJrGRcHF+7ZdnZpMOe emCjI1gpw+rHeAEamfJG/dKTEZRl+u6XdpimIwmHShRC1iw+sGsXc17UrzLaxml9iL0E AWWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=b2sXKXU5BN6wsJXjmSPtb98p4llP54H5yuK8Oq2Knb8=; b=uRFvZh+DuTg7747Uqfgcd4pjvEz/WrNz+lIM4HZiLWmiZfB45f+OoYGZD6UGr0HOR3 GcVTuJcFfIYWNGn1Kakmk3/aSSKpI25R78yDAEwQuxooNjHutVLhvuj0BF+5L//U6wMw LlhVylL2bJRyHBCk5pciHmgq7+VxgHIJywmBlbzDl0eCcQsKOt1DY+p5HLbubeBKpIM0 7Kp0v5XEzraoxuOss+dz2zjRUwYBVXtVWURI1t8ZdQTKg0D2ZtAIsH8+TdfIuwIiCSn3 mlaaMjiLOaOEkDpojelcUCjvYcpswwz91vcdok6St+Q8cqE7+m2AxypdpyM1FsMCbUi+ HpuQ== X-Gm-Message-State: APjAAAXrJPdc61W9EAzurRC8PniuoSmAjP5FcPp0bXIWHUz+5PO25zIV nN5z1dBcjuD3GwF7QclQRh9hUbItWgdjjZ2mFzSn4w== X-Google-Smtp-Source: APXvYqyXsKRRXbPcgc4ln9QC2Tle/qgiJMGgU9S3m8Eh3lvfr4rbSnvB/FiG3W5JfRqrWBSyaAnAD/K6qyprJfI7ruc= X-Received: by 2002:a17:906:2584:: with SMTP id m4mr4867315ejb.287.1571336285769; Thu, 17 Oct 2019 11:18:05 -0700 (PDT) MIME-Version: 1.0 References: <20190806183211.EE35BEE16@freefall.freebsd.org> <016f565b-9281-dc14-651a-bcd2245f0544@si6networks.com> <5D4B64BF-72B4-4D69-9EC7-432773259958@lists.zabbadoz.net> <5718085e-fbd7-5adc-723f-40900e75b7eb@si6networks.com> <2160efe8-3d37-e132-9a30-902ed6ed43e1@grosbein.net> In-Reply-To: <2160efe8-3d37-e132-9a30-902ed6ed43e1@grosbein.net> From: Leif Pedersen Date: Thu, 17 Oct 2019 13:17:29 -0500 Message-ID: Subject: Re: FreeBSD Security Advisory FreeBSD-SA-19:19.mldv2 To: Eugene Grosbein Cc: Fernando Gont , "Bjoern A. Zeeb" , FreeBSD Security Advisories , freebsd-security@freebsd.org X-Rspamd-Queue-Id: 46vHTY2Vfyz4X1y X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=ofwilsoncreek-com.20150623.gappssmtp.com header.s=20150623 header.b=gvjnCges; dmarc=none; spf=pass (mx1.freebsd.org: domain of bilbo@hobbiton.org designates 2a00:1450:4864:20::529 as permitted sender) smtp.mailfrom=bilbo@hobbiton.org X-Spamd-Result: default: False [-5.12 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[ofwilsoncreek-com.20150623.gappssmtp.com:s=20150623]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-security@freebsd.org]; DMARC_NA(0.00)[ofwilsoncreek.com]; RCPT_COUNT_FIVE(0.00)[5]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[ofwilsoncreek-com.20150623.gappssmtp.com:+]; RCVD_IN_DNSWL_NONE(0.00)[9.2.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; FORGED_SENDER(0.30)[leif@ofwilsoncreek.com,bilbo@hobbiton.org]; MIME_TRACE(0.00)[0:+,1:+,2:~]; IP_SCORE(-2.92)[ip: (-9.59), ipnet: 2a00:1450::/32(-2.85), asn: 15169(-2.10), country: US(-0.05)]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[leif@ofwilsoncreek.com,bilbo@hobbiton.org]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Oct 2019 18:18:10 -0000 On Thu, Oct 17, 2019 at 5:06 AM Eugene Grosbein wrote: > 15.10.2019 0:00, Fernando Gont wrote: > > >>> Since FreeBSD ships with IPv6 support enabled by default, aren't all > >>> systems affected, one way or another? > >> > >> No, you have to configure IPv6, otherwise processing is not done. > > > > You mean that, out of the box, and without any explicit configuration, > > IPv6 is not enabled? > > Precisely. IPv4 too, in fact. > True, except both IPv4 and IPv6 are configured for localhost by default. That exception doesn't seem relevant to this SA, but it could matter in others. -Leif