From owner-freebsd-security Wed Jun 26 9: 7:16 2002 Delivered-To: freebsd-security@freebsd.org Received: from gw.nectar.cc (gw.nectar.cc [208.42.49.153]) by hub.freebsd.org (Postfix) with ESMTP id 577C037B400 for ; Wed, 26 Jun 2002 09:07:08 -0700 (PDT) Received: from madman.nectar.cc (madman.nectar.cc [10.0.1.111]) by gw.nectar.cc (Postfix) with ESMTP id D131D23; Wed, 26 Jun 2002 11:07:07 -0500 (CDT) Received: from madman.nectar.cc (localhost [IPv6:::1]) by madman.nectar.cc (8.12.3/8.12.3) with ESMTP id g5QG77sE072941; Wed, 26 Jun 2002 11:07:07 -0500 (CDT) (envelope-from nectar@madman.nectar.cc) Received: (from nectar@localhost) by madman.nectar.cc (8.12.3/8.12.3/Submit) id g5QG76r9072940; Wed, 26 Jun 2002 11:07:06 -0500 (CDT) Date: Wed, 26 Jun 2002 11:07:06 -0500 From: "Jacques A. Vidrine" To: Alain Thivillon Cc: freebsd-security@freebsd.org Subject: Re: bsd libc dns resolving code vulnerable? Message-ID: <20020626160706.GC72438@madman.nectar.cc> Mail-Followup-To: "Jacques A. Vidrine" , Alain Thivillon , freebsd-security@freebsd.org References: <20020626165034.Q35146-100000@gwdu60.gwdg.de> <20020626152832.GE65700@madman.nectar.cc> <20020626153954.GL9492@roadrunner.rominet.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020626153954.GL9492@roadrunner.rominet.net> User-Agent: Mutt/1.4i X-Url: http://www.nectar.cc/ 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 Wed, Jun 26, 2002 at 05:39:54PM +0200, Alain Thivillon wrote: To be clear, we're not certain that it /is/ exploitable. However, the only safe thing to do is assume that it is. > Do you know if using a local caching name server will prevent > exploitation ? I'm afraid I don't know. It depends upon whether the name server rejects or cleans responses. And it would have to be local, as in localhost. Cheers, -- Jacques A. Vidrine http://www.nectar.cc/ NTT/Verio SME . FreeBSD UNIX . Heimdal Kerberos jvidrine@verio.net . nectar@FreeBSD.org . nectar@kth.se To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message