From owner-freebsd-security@freebsd.org Tue Jun 18 14:59:44 2019 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D085715C01EB for ; Tue, 18 Jun 2019 14:59:43 +0000 (UTC) (envelope-from hiren@strugglingcoder.info) Received: from mail.strugglingcoder.info (mail.strugglingcoder.info [104.236.146.68]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "www.strugglingcoder.info", Issuer "StartCom Class 1 DV Server CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 2D0B2816DE for ; Tue, 18 Jun 2019 14:59:43 +0000 (UTC) (envelope-from hiren@strugglingcoder.info) Received: from localhost (unknown [10.2.1.3]) (Authenticated sender: hiren@strugglingcoder.info) by mail.strugglingcoder.info (Postfix) with ESMTPA id 766F871D32; Tue, 18 Jun 2019 07:59:41 -0700 (PDT) Date: Tue, 18 Jun 2019 07:59:41 -0700 From: hiren To: Stefan Bethke Cc: freebsd-security@freebsd.org Subject: Re: CVE-2019-5599: SACK Slowness (FreeBSD 12 using the RACK TCP Stack) Message-ID: <20190618145941.GJ52008@strugglingcoder.info> References: <7AC3FC6A-99CD-4C59-9822-18E4B498285D@lassitu.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="tv2SIFopg1r47n4a" Content-Disposition: inline In-Reply-To: <7AC3FC6A-99CD-4C59-9822-18E4B498285D@lassitu.de> User-Agent: Mutt/1.11.4 (2019-03-13) X-Rspamd-Queue-Id: 2D0B2816DE X-Spamd-Bar: ------- X-Spamd-Result: default: False [-7.87 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[strugglingcoder.info:s=dkim]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; IP_SCORE(-1.78)[ip: (-9.38), ipnet: 104.236.128.0/18(-0.60), asn: 14061(1.12), country: US(-0.06)]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[strugglingcoder.info:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[strugglingcoder.info,reject]; MX_GOOD(-0.01)[cached: mail.strugglingcoder.info]; SIGNED_PGP(-2.00)[]; NEURAL_HAM_SHORT(-0.98)[-0.979,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:14061, ipnet:104.236.128.0/18, country:US]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2] 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: Tue, 18 Jun 2019 14:59:44 -0000 --tv2SIFopg1r47n4a Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 06/18/19 at 04:36P, Stefan Bethke wrote: > https://github.com/Netflix/security-bulletins/blob/master/advisories/thir= d-party/2019-001.md >=20 > Are stock kernels/configurations affected? If so, will a fix or workaroun= d be incorporated? RACK is still not default stack so FreeBSD is not affected. Cheers, Hiren --tv2SIFopg1r47n4a Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGTBAABCgB9FiEEpOIPodh4jz8X5m8Ci5JQ4VY+3+UFAl0I/F1fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEE0 RTIwRkExRDg3ODhGM0YxN0U2NkYwMjhCOTI1MEUxNTYzRURGRTUACgkQi5JQ4VY+ 3+Xckwf/S0Kewu7MjM2Mo6ZY6oQ3YQd6B43gxG4urF/g+xqMOWzgevLFyc4U7/gu YEUrmnvPk6cEKEt6DtJuE4EBjvBwNChoGz4SGjZEgFQxhcs6L91zTWVdeOKMjHiO JNZjH3AC3dkADeX7vmaKOnDT5gLb5FLoyDXOC1wDFsrjEw2aqeHEVE0Y1UbIo//l 7ks0lANdP/HiDQNTIMOOcAJboph8Q/OYZtFVYlHj0QiZQWKrNvte7xgyA2qOdP0H OoFwiYl8uPTV5RZDqLLCiAD7qPcVuh+cvQ8lAwowOYT3SpZMm7jwj6izB/5DWDh/ 21fgL7sEH3qjhc7sznMlcEP20VrHfQ== =/Org -----END PGP SIGNATURE----- --tv2SIFopg1r47n4a--