From owner-freebsd-questions@FreeBSD.ORG Mon Oct 22 23:12:21 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1EF0F16A417 for ; Mon, 22 Oct 2007 23:12:21 +0000 (UTC) (envelope-from mike.jeays@rogers.com) Received: from smtp103.rog.mail.re2.yahoo.com (smtp103.rog.mail.re2.yahoo.com [206.190.36.81]) by mx1.freebsd.org (Postfix) with SMTP id 93BAC13C4B3 for ; Mon, 22 Oct 2007 23:12:20 +0000 (UTC) (envelope-from mike.jeays@rogers.com) Received: (qmail 3089 invoked from network); 22 Oct 2007 22:44:58 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=rogers.com; h=Received:X-YMail-OSG:From:To:Subject:Date:User-Agent:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id; b=FNmAELd28B0pfqmJMfW9htq5HVIIg6rWkmz5QLtncfmmBW0GSDAH+JFR4mPhCZvC//gIK/0AKZSItqj82ntIBnkA3pOL3NnmPTBAYL1a+jF1FNUVNQ4DRbJDotBznY6nFEi9+FhwEPMwbGVYwLADBHa4QnDetsXqyXAghJeYTSU= ; Received: from unknown (HELO napoleon.local) (mike.jeays@rogers.com@99.224.73.40 with login) by smtp103.rog.mail.re2.yahoo.com with SMTP; 22 Oct 2007 22:44:58 -0000 X-YMail-OSG: tzFCmj0VM1k3kpCf_GNO5ZsYZmwCVK2SCZN11UhRtAXV1BdUvR6smy4D5mxfENfvXg-- From: Mike Jeays To: freebsd-questions@freebsd.org, laszlo.danielisz@gmail.com Date: Mon, 22 Oct 2007 18:44:56 -0400 User-Agent: KMail/1.9.6 (enterprise 0.20070907.709405) References: <123275.56819.qm@web30812.mail.mud.yahoo.com> <20071022164418.GA864@glitch.rwxrwxrwx.net> In-Reply-To: <20071022164418.GA864@glitch.rwxrwxrwx.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710221844.56848.mike.jeays@rogers.com> Cc: Subject: Re: defend from -> :() { :&:; } ;: X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Oct 2007 23:12:21 -0000 On October 22, 2007 12:44:18 pm Martin Tournoij wrote: > On Sun 21 Oct 2007 12:10, Danielisz Laszlo wrote: > > Please do not try to execute this: :() { :&:; } ;: on your BSD machine. > > I ask all who already tried it how to defend from this? > > Wow,, my machine just crashed :-/ > Does in this work on other OS's as well (ie. GNU/Linux)? Or just > (Free?)BSD? I really don't feel like crashing another machine right > now... > > Only works in sh, not in csh. > > Anyway, this seems to be security/stability issue, maybe a PR is in > order? > > Regards, > Martin Tournoij > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" Yes, it brought down my Ubuntu 7.10 system pretty well immediately. I had to reboot. -- Mike Jeays http://www.jeays.ca