From owner-freebsd-security@FreeBSD.ORG Fri Apr 27 05:55:04 2007 Return-Path: X-Original-To: freebsd-security@freebsd.org Delivered-To: freebsd-security@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8C18C16A402 for ; Fri, 27 Apr 2007 05:55:04 +0000 (UTC) (envelope-from y-koga@jp.FreeBSD.org) Received: from [127.0.0.1] (hiiro.mesh.ad.jp [133.205.63.232]) by mx1.freebsd.org (Postfix) with ESMTP id 3662213C448 for ; Fri, 27 Apr 2007 05:55:04 +0000 (UTC) (envelope-from y-koga@jp.FreeBSD.org) Received: from [127.0.0.1] (localhost [127.0.0.1]) (authenticated bits=0) (envelope-from y-koga@jp.FreeBSD.org) by [127.0.0.1] (8.14.1/8.14.1) with ESMTP id l3R5Vvt7007112 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 27 Apr 2007 14:31:59 +0900 (JST) Date: Fri, 27 Apr 2007 14:31:56 +0900 (JST) Message-Id: <20070427.143156.87001849.y-koga@jp.FreeBSD.org> To: freebsd-security@freebsd.org From: Koga Youichirou In-Reply-To: <200704262349.l3QNnmro085350@freefall.freebsd.org> References: <200704262349.l3QNnmro085350@freefall.freebsd.org> X-Mailer: Mew version 5.2 on Emacs 21.3.50 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: FreeBSD Security Advisory FreeBSD-SA-07:03.ipv6 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Apr 2007 05:55:04 -0000 > ============================================================================= > FreeBSD-SA-07:03.ipv6 Security Advisory > The FreeBSD Project > > Topic: IPv6 Routing Header 0 is dangerous - snip - > I. Background > > IPv6 provides a routing header option which allows a packet sender to > indicate how the packet should be routed, overriding the routing knowledge > present in a network. This functionality is roughly equivalent to the > "source routing" option in IPv4. All nodes in an IPv6 network -- both > routers and hosts -- are required by RFC 2640 to process such headers. s/RFC 2640/RFC 2460/ Regards, -- Koga, Youichirou