From owner-freebsd-security@FreeBSD.ORG Fri Jun 8 12:51:57 2012 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3B8C9106566B for ; Fri, 8 Jun 2012 12:51:57 +0000 (UTC) (envelope-from des@des.no) Received: from smtp.des.no (smtp.des.no [194.63.250.102]) by mx1.freebsd.org (Postfix) with ESMTP id F2C468FC19 for ; Fri, 8 Jun 2012 12:51:56 +0000 (UTC) Received: from ds4.des.no (smtp.des.no [194.63.250.102]) by smtp.des.no (Postfix) with ESMTP id 13B786D5A for ; Fri, 8 Jun 2012 12:51:56 +0000 (UTC) Received: by ds4.des.no (Postfix, from userid 1001) id D3E339C18; Fri, 8 Jun 2012 14:51:55 +0200 (CEST) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: freebsd-security@freebsd.org Date: Fri, 08 Jun 2012 14:51:55 +0200 Message-ID: <86r4tqotjo.fsf@ds4.des.no> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Default password hash X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Jun 2012 12:51:57 -0000 We still have MD5 as our default password hash, even though known-hash attacks against MD5 are relatively easy these days. We've supported SHA256 and SHA512 for many years now, so how about making SHA512 the default instead of MD5, like on most Linux distributions? Index: etc/login.conf =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- etc/login.conf (revision 236616) +++ etc/login.conf (working copy) @@ -23,7 +23,7 @@ # AND SEMANTICS'' section of getcap(3) for more escape sequences). default:\ - :passwd_format=3Dmd5:\ + :passwd_format=3Dsha512:\ :copyright=3D/etc/COPYRIGHT:\ :welcome=3D/etc/motd:\ :setenv=3DMAIL=3D/var/mail/$,BLOCKSIZE=3DK,FTP_PASSIVE_MODE=3DYES:\ DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no