From owner-svn-ports-all@freebsd.org Tue Jul 30 20:37:37 2019 Return-Path: Delivered-To: svn-ports-all@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 668C6ACC39; Tue, 30 Jul 2019 20:37:37 +0000 (UTC) (envelope-from feld@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4936580B84; Tue, 30 Jul 2019 20:37:37 +0000 (UTC) (envelope-from feld@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 230141EA3B; Tue, 30 Jul 2019 20:37:37 +0000 (UTC) (envelope-from feld@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x6UKbaJr047063; Tue, 30 Jul 2019 20:37:36 GMT (envelope-from feld@FreeBSD.org) Received: (from feld@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x6UKba7B047062; Tue, 30 Jul 2019 20:37:36 GMT (envelope-from feld@FreeBSD.org) Message-Id: <201907302037.x6UKba7B047062@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: feld set sender to feld@FreeBSD.org using -f From: Mark Felder Date: Tue, 30 Jul 2019 20:37:36 +0000 (UTC) To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r507671 - head/security/vuxml X-SVN-Group: ports-head X-SVN-Commit-Author: feld X-SVN-Commit-Paths: head/security/vuxml X-SVN-Commit-Revision: 507671 X-SVN-Commit-Repository: ports MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4936580B84 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.996,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.95)[-0.954,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-ports-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the ports tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Jul 2019 20:37:37 -0000 Author: feld Date: Tue Jul 30 20:37:36 2019 New Revision: 507671 URL: https://svnweb.freebsd.org/changeset/ports/507671 Log: Document FreeBSD-SA-19:08.rack Modified: head/security/vuxml/vuln.xml Modified: head/security/vuxml/vuln.xml ============================================================================== --- head/security/vuxml/vuln.xml Tue Jul 30 20:36:45 2019 (r507670) +++ head/security/vuxml/vuln.xml Tue Jul 30 20:37:36 2019 (r507671) @@ -58,6 +58,41 @@ Notes: * Do not forget port variants (linux-f10-libxml2, libxml2, etc.) --> + + FreeBSD -- Resource exhaustion in non-default RACK TCP stack + + + FreeBSD-kernel + 12.012.0_6 + + + + +

Problem Description:

While processing acknowledgements, the RACK code uses + several linked lists to maintain state entries. A malicious + attacker can cause the lists to grow unbounded. This can + cause an expensive list traversal on every packet being + processed, leading to resource exhaustion and a denial of + service.

Impact:

An attacker with the ability to send specially crafted + TCP traffic to a victim system can degrade network performance + and/or consume excessive CPU by exploiting the inefficiency + of traversing the potentially very large RACK linked lists + with relatively small bandwidth cost.

+ + + + CVE-2019-5599 + SA-19:08.rack + + + 2019-06-19 + 2019-07-30 + + + FreeBSD -- Microarchitectural Data Sampling (MDS)