From owner-freebsd-security@FreeBSD.ORG Wed Oct 23 12:38:54 2013 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 705CAAB3 for ; Wed, 23 Oct 2013 12:38:54 +0000 (UTC) (envelope-from az@azsupport.com) Received: from as1.azsupport.com (azsupport.com [74.52.186.194]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 5425D2B4D for ; Wed, 23 Oct 2013 12:38:53 +0000 (UTC) Received: from localhost (unknown [109.75.144.107]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by as1.azsupport.com (Postfix) with ESMTPSA id EB13CAFA for ; Wed, 23 Oct 2013 14:38:52 +0200 (CEST) Date: Wed, 23 Oct 2013 14:38:50 +0200 From: Andrei To: freebsd-security@freebsd.org Subject: Re: OpenPAM/SSHD privacy hole (FreeBSD 9.2+ affected) Message-ID: <20131023143850.4e14f55d@azsupport.com> In-Reply-To: <20131023120013.GK18943@albert.catwhisker.org> References: <20131023135408.38752099@azsupport.com> <20131023120013.GK18943@albert.catwhisker.org> Organization: azsupport.com X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.19; amd64-portbld-freebsd10.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Oct 2013 12:38:54 -0000 On Wed, 23 Oct 2013 05:00:13 -0700 David Wolfskill wrote: > > Does that also apply if /etc/ssh/sshd_config has been changed to read: > > # Change to no to disable PAM authentication > ChallengeResponseAuthentication no > > (as I routinely do)? > > Peace, > david In this case you lose "keyboard-interactive" login option. But we need it. Kind regards, Andrei.