From owner-freebsd-security@freebsd.org Fri Jan 5 12:42:55 2018 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F0D1AEA6BA7; Fri, 5 Jan 2018 12:42:55 +0000 (UTC) (envelope-from eric@metricspace.net) Received: from mail.metricspace.net (mail.metricspace.net [IPv6:2001:470:1f11:617::107]) by mx1.freebsd.org (Postfix) with ESMTP id C44D8670C3; Fri, 5 Jan 2018 12:42:55 +0000 (UTC) (envelope-from eric@metricspace.net) Received: from [172.16.0.82] (unknown [172.16.0.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) (Authenticated sender: eric) by mail.metricspace.net (Postfix) with ESMTPSA id 3ED298850; Fri, 5 Jan 2018 12:42:54 +0000 (UTC) Subject: Re: Intel hardware bug To: Jules Gilbert , "Ronald F. Guilmette" , Freebsd Security , Brett Glass , =?UTF-8?Q?Dag-Erling_Sm=c3=b8rgrav?= , Poul-Henning Kamp , "freebsd-arch@freebsd.org" , FreeBSD Hackers , Shawn Webb , Nathan Whitehorn References: <736a2b77-d4a0-b03f-8a6b-6a717f5744d4@metricspace.net> <2594.1515141192@segfault.tristatelogic.com> <809675000.867372.1515146821354@mail.yahoo.com> From: Eric McCorkle Message-ID: <250f3a77-822b-fba5-dcd7-758dfec94554@metricspace.net> Date: Fri, 5 Jan 2018 07:42:53 -0500 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <809675000.867372.1515146821354@mail.yahoo.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Fri, 05 Jan 2018 12:49:00 +0000 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Jan 2018 12:42:56 -0000 On 01/05/2018 05:07, Jules Gilbert wrote: > Sorry guys, you just convinced me that no one, not the NSA, not the FSB, > no one!, has in the past, or will in the future be able to exploit this > to actually do something not nice. Attacks have already been demonstrated, pulling secrets out of kernel space with meltdown and http headers/passwords out of a browser with spectre. Javascript PoCs are already in existence, and we can expect them to find their way into adware-based malware within a week or two. Also, I'd be willing to bet you a year's rent that certain three-letter organizations have known about and used this for some time. > So what is this, really?, it's a market exploit opportunity for AMD. Don't bet on it. There's reports of AMD vulnerabilities, also for ARM. I doubt any major architecture is going to make it out unscathed. (But if one does, my money's on Power)