From owner-freebsd-hackers Fri Feb 9 15:30:58 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from hand.dotat.at (sfo-gw.covalent.net [207.44.198.62]) by hub.freebsd.org (Postfix) with ESMTP id C14D237B69B; Fri, 9 Feb 2001 15:30:37 -0800 (PST) Received: from fanf by hand.dotat.at with local (Exim 3.20 #3) id 14RMzo-0006dS-00; Fri, 09 Feb 2001 23:30:32 +0000 Date: Fri, 9 Feb 2001 23:30:32 +0000 From: Tony Finch To: Robert Watson Cc: 207.100@tj2.demon.co.uk, freebsd-hackers@freebsd.org Subject: Re: /etc/security: add md5 to suid change notification? Message-ID: <20010209233032.S461@hand.dotat.at> References: <3A84689F.6625@tj2.demon.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: Organization: Covalent Technologies, Inc Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Robert Watson wrote: > >If X has open file descriptors for privileged devices for the purposes of >direct memory access, the debugging interfaces (and possibly exploits in >shared libraries) can be used to control the X server in such a way that >securelevels can be disabled or circumvented. Does the OpenBSD aperture device solve that problem? Tony. -- f.a.n.finch fanf@covalent.net dot@dotat.at FINISTERRE SOLE: SOUTHEASTERLY VEERING SOUTHWESTERLY 5 TO 7, OCCASIONALLY GALE 8. OCCASIONAL RAIN. MODERATE OR POOR. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message