From owner-freebsd-security@FreeBSD.ORG  Sun Oct 27 21:50:20 2013
Return-Path: <owner-freebsd-security@FreeBSD.ORG>
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 2B804A13
 for <freebsd-security@freebsd.org>; Sun, 27 Oct 2013 21:50:20 +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 0EE0B2F4C
 for <freebsd-security@freebsd.org>; Sun, 27 Oct 2013 21:50:19 +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 92CF63C5;
 Sun, 27 Oct 2013 22:50:18 +0100 (CET)
Date: Sun, 27 Oct 2013 22:50:16 +0100
From: Andrei <az@azsupport.com>
To: freebsd-security@freebsd.org, des@des.no
Subject: Re: OpenPAM/SSHD privacy hole (FreeBSD 9.2+ affected)
Message-ID: <20131027225016.3cdab10e@azsupport.com>
In-Reply-To: <86txg2mm9n.fsf@nine.des.no>
References: <20131023135408.38752099@azsupport.com>
 <1382529986.729788.498652166.90148.2@c-st.net>
 <86y55emw8a.fsf@nine.des.no>
 <20131027195755.00b0cb2c@azsupport.com>
 <86txg2mm9n.fsf@nine.des.no>
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=utf-8
Content-Transfer-Encoding: quoted-printable
X-BeenThere: freebsd-security@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: "Security issues \[members-only posting\]"
 <freebsd-security.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-security>, 
 <mailto:freebsd-security-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-security>
List-Post: <mailto:freebsd-security@freebsd.org>
List-Help: <mailto:freebsd-security-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-security>, 
 <mailto:freebsd-security-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 27 Oct 2013 21:50:20 -0000

On Sun, 27 Oct 2013 22:33:56 +0100
Dag-Erling Sm=C3=B8rgrav <des@des.no> wrote:

> Andrei <az@azsupport.com> writes:
> > In /etc/pam.d/sshd from:
> > auth            required        pam_unix.so             no_warn
> > try_first_pass to:
> > auth required pam_unix.so no_warn try_first_pass authtok_prompt
> >
> > Right?
>=20
> auth required pam_unix.so no_warn try_first_pass
> authtok_prompt=3D"Password:"
>=20
> BTW, I recently noticed that try_first_pass doesn't work as documented
> (and hasn't for ten years), but I haven't had time to fix it yet.

You might be surprised, but authtok_prompt=3D"Password:" have same results =
as
just authtok_prompt. Empty screen and no "Password:" prompt.
FreeBSD 9.2 tested.

Kind regards,
Andrei.