Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267411AbUIUARF (ORCPT ); Mon, 20 Sep 2004 20:17:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267413AbUIUARE (ORCPT ); Mon, 20 Sep 2004 20:17:04 -0400 Received: from clock-tower.bc.nu ([81.2.110.250]:61145 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S267411AbUIUARC (ORCPT ); Mon, 20 Sep 2004 20:17:02 -0400 Subject: Re: Linux 2.4.27 SECURITY BUG - TCP Local and REMOTE(verified) Denial of Service Attack From: Alan Cox To: Florian Weimer Cc: Paul Jakma , Ville Hallivuori , Toon van der Pas , Wolfpaw - Dale Corse , kaukasoi@elektroni.ee.tut.fi, Linux Kernel Mailing List In-Reply-To: <87sm9cmwd5.fsf@deneb.enyo.de> References: <002301c498ee$1e81d4c0$0200a8c0@wolf> <1095008692.11736.11.camel@localhost.localdomain> <20040912192331.GB8436@hout.vanvergehaald.nl> <20040913201113.GA5453@vph.iki.fi> <1095174633.16990.19.camel@localhost.localdomain> <87sm9cmwd5.fsf@deneb.enyo.de> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1095721974.28810.6.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Tue, 21 Sep 2004 00:12:55 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 591 Lines: 15 On Llu, 2004-09-20 at 23:03, Florian Weimer wrote: > ndomization, quite a lot more. Of course > > its much easier to just send "must fragment, size 68" icmp replies and > > guess them that way. > > Is this attack documented anywhere? Bugtraq years ago and also in the discussions of the IP sec protocol design flaws when it was being specified - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/