From owner-freebsd-security@FreeBSD.ORG Fri Apr 22 15:09:49 2005 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B554816A4CE for ; Fri, 22 Apr 2005 15:09:49 +0000 (GMT) Received: from aiolos.otenet.gr (aiolos.otenet.gr [195.170.0.23]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2C24343D49 for ; Fri, 22 Apr 2005 15:09:48 +0000 (GMT) (envelope-from keramida@linux.gr) Received: from orion.daedalusnetworks.priv (aris.bedc.ondsl.gr [62.103.39.226])j3MF8amX024708; Fri, 22 Apr 2005 18:08:36 +0300 Received: from orion.daedalusnetworks.priv (orion [127.0.0.1]) j3MF9kSG052300; Fri, 22 Apr 2005 18:09:46 +0300 (EEST) (envelope-from keramida@linux.gr) Received: (from keramida@localhost)j3MF9jUs052299; Fri, 22 Apr 2005 18:09:45 +0300 (EEST) (envelope-from keramida@linux.gr) Date: Fri, 22 Apr 2005 18:09:45 +0300 From: Giorgos Keramidas To: Dean Strik Message-ID: <20050422150945.GA52260@orion.daedalusnetworks.priv> References: <42686A29.7090900@hackunite.net> <810a540e05042120493eb79da0@mail.gmail.com> <42687BDD.6000008@hackunite.net> <20050422115200.GA58483@orion.daedalusnetworks.priv> <20050422144740.GB81889@dragon.stack.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050422144740.GB81889@dragon.stack.nl> cc: freebsd-security@freebsd.org cc: Pat Maddox cc: Jesper Wallin Subject: Re: Information disclosure? X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Security issues [members-only posting] List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Apr 2005 15:09:49 -0000 On 2005-04-22 16:47, Dean Strik wrote: >Giorgos Keramidas wrote: >> Putting "deliberate paranoia" aside for a while, you can always _force_ >> the syscons buffer to be cleared by toggling between a couple of >> different video modes: >> >> # vidcontrol 80x30 ; vidcontrol 80x25 ; clear ; logout > > vidcontrol -C is simpler and actually works :-) > Changing the videomodes doesn't generally clear the buffer. True. I should have checked more carefully before posting. Sorry :/