From owner-freebsd-net Sun Feb 24 10:27:51 2002 Delivered-To: freebsd-net@freebsd.org Received: from rwcrmhc52.attbi.com (rwcrmhc52.attbi.com [216.148.227.88]) by hub.freebsd.org (Postfix) with ESMTP id 5499837B402; Sun, 24 Feb 2002 10:27:48 -0800 (PST) Received: from blossom.cjclark.org ([12.234.91.48]) by rwcrmhc52.attbi.com (InterMail vM.4.01.03.27 201-229-121-127-20010626) with ESMTP id <20020224182747.YVKE1147.rwcrmhc52.attbi.com@blossom.cjclark.org>; Sun, 24 Feb 2002 18:27:47 +0000 Received: (from cjc@localhost) by blossom.cjclark.org (8.11.6/8.11.6) id g1OIRkb33740; Sun, 24 Feb 2002 10:27:46 -0800 (PST) (envelope-from cjc) Date: Sun, 24 Feb 2002 10:27:46 -0800 From: "Crist J. Clark" To: Ruslan Ermilov Cc: Maxim Konovalov , net@FreeBSD.ORG, Robert Watson Subject: Re: TCP Connections to a Broadcast Address Message-ID: <20020224102746.Q16048@blossom.cjclark.org> Reply-To: cjclark@alum.mit.edu References: <20020223042828.E16048@blossom.cjclark.org> <20020223154842.G31228-100000@news1.macomnet.ru> <20020224084921.GC31243@sunbay.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20020224084921.GC31243@sunbay.com>; from ru@FreeBSD.ORG on Sun, Feb 24, 2002 at 10:49:21AM +0200 X-URL: http://people.freebsd.org/~cjc/ Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Sun, Feb 24, 2002 at 10:49:21AM +0200, Ruslan Ermilov wrote: > On Sat, Feb 23, 2002 at 03:49:55PM +0300, Maxim Konovalov wrote: > > On 04:28-0800, Feb 23, 2002, Crist J. Clark wrote: > > > > > On Sat, Feb 23, 2002 at 01:50:33PM +0200, Ruslan Ermilov wrote: > > > [snip] > > > > > > > Nice catch! > > > > > > Igor M Podlesny , PR misc/35022, caught it. I just > > > analyzed it. > > > > Isn't kern/19722 about the same bug? > > > Yes. I think there are some different issues raised in this PR too. Like the discussion in another part of this thread, PR 19722 states that you can reach the broadcast address of interfaces other than the one to which the attacker is directly attached. I have not been able to reproduce this. I think it was fixed by revision 1.181 of ip_input.c. -- Crist J. Clark | cjclark@alum.mit.edu | cjclark@jhu.edu http://people.freebsd.org/~cjc/ | cjc@freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message