From owner-freebsd-security Thu Jul 19 10:50:27 2001 Delivered-To: freebsd-security@freebsd.org Received: from whale.sunbay.crimea.ua (whale.sunbay.crimea.ua [212.110.138.65]) by hub.freebsd.org (Postfix) with ESMTP id A84C137B401; Thu, 19 Jul 2001 10:50:19 -0700 (PDT) (envelope-from ru@whale.sunbay.crimea.ua) Received: (from ru@localhost) by whale.sunbay.crimea.ua (8.11.2/8.11.2) id f6JHoGn68059; Thu, 19 Jul 2001 20:50:16 +0300 (EEST) (envelope-from ru) Date: Thu, 19 Jul 2001 20:50:16 +0300 From: Ruslan Ermilov To: Assar Westerlund Cc: "Jacques A. Vidrine" , Matt Dillon , Cy Schubert - ITSD Open Systems Group , Mike Tancsa , Kris Kennaway , security@FreeBSD.ORG Subject: Re: FreeBSD remote root exploit ? Message-ID: <20010719205016.A67829@sunbay.com> Mail-Followup-To: Assar Westerlund , "Jacques A. Vidrine" , Matt Dillon , Cy Schubert - ITSD Open Systems Group , Mike Tancsa , Kris Kennaway , security@FreeBSD.ORG References: <200107190547.f6J5lmD66188@cwsys.cwsent.com> <200107190747.f6J7lMU71487@earth.backplane.com> <20010719102230.L27900@madman.nectar.com> <5lpuaw26kt.fsf@assaris.sics.se> <20010719201009.A61061@sunbay.com> <5l8zhk25v9.fsf@assaris.sics.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <5l8zhk25v9.fsf@assaris.sics.se>; from assar@FreeBSD.ORG on Thu, Jul 19, 2001 at 07:20:10PM +0200 Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Thu, Jul 19, 2001 at 07:20:10PM +0200, Assar Westerlund wrote: > Ruslan Ermilov writes: > > > I don't know if it's exploitable either. I don't _think_ so, but I've > > > of course fixed the problem anyways. > > > > > You mean, in netflush()? > > No, in output_data() (in heimdal's telnetd/global.c) > Doh, of course I meant output_data(), but itojun done a good job in NetBSD. output_data() attempts netflush() before a failure. See NetBSD's state.c,v 1.16. Cheers, -- Ruslan Ermilov Oracle Developer/DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message