From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Glenn Morris Newsgroups: gmane.emacs.bugs Subject: bug#13374: 24.?; open-gnutls-stream insecurity Date: Mon, 07 Jan 2013 20:05:06 -0500 Message-ID: References: <87mwwlz43m.fsf@Black.ICE> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1357607168 1044 80.91.229.3 (8 Jan 2013 01:06:08 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 8 Jan 2013 01:06:08 +0000 (UTC) Cc: Oleksii Shevchuk , 13374@debbugs.gnu.org To: Ted Zlatanov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jan 08 02:06:24 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1TsNe0-0000br-Ku for geb-bug-gnu-emacs@m.gmane.org; Tue, 08 Jan 2013 02:06:20 +0100 Original-Received: from localhost ([::1]:33768 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TsNdk-0004vc-Ua for geb-bug-gnu-emacs@m.gmane.org; Mon, 07 Jan 2013 20:06:04 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:45410) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TsNdi-0004vX-Cd for bug-gnu-emacs@gnu.org; Mon, 07 Jan 2013 20:06:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TsNdh-0004DV-7B for bug-gnu-emacs@gnu.org; Mon, 07 Jan 2013 20:06:02 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:42563) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TsNdh-0004DR-3d for bug-gnu-emacs@gnu.org; Mon, 07 Jan 2013 20:06:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TsNdh-0008TU-Ta for bug-gnu-emacs@gnu.org; Mon, 07 Jan 2013 20:06:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Glenn Morris Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 08 Jan 2013 01:06:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13374 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13374-submit@debbugs.gnu.org id=B13374.135760711232507 (code B ref 13374); Tue, 08 Jan 2013 01:06:01 +0000 Original-Received: (at 13374) by debbugs.gnu.org; 8 Jan 2013 01:05:12 +0000 Original-Received: from localhost ([127.0.0.1]:55803 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TsNcu-0008SG-8E for submit@debbugs.gnu.org; Mon, 07 Jan 2013 20:05:12 -0500 Original-Received: from fencepost.gnu.org ([208.118.235.10]:51051 ident=Debian-exim) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TsNcr-0008S6-7m for 13374@debbugs.gnu.org; Mon, 07 Jan 2013 20:05:10 -0500 Original-Received: from rgm by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1TsNco-0003RM-W3; Mon, 07 Jan 2013 20:05:07 -0500 X-Spook: Mossad weapons of mass destruction codes CipherTAC-2000 X-Ran: ]{]e$?sPt"42c?Ffl);Irv\Rw*5|m\`9'x1_+j~:q$`~=c~M?GgT^Z]U9VZI2u+8hyfDm% X-Hue: black X-Attribution: GM In-Reply-To: <87mwwlz43m.fsf@Black.ICE> (Oleksii Shevchuk's message of "Mon, 07 Jan 2013 12:20:45 +0200") User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:69479 Archived-At: Hi Ted, Could you look at this report, with a view to possibly changing it in emacs-24 branch, if appropriate? Thanks. Oleksii Shevchuk wrote: > open-gnutls-stream wrapper doesn't pass :verify-hostname-error t > :verify-error t to gnutls-negotiate. So MitM is possible when you use > gnus and other packages. > > Even with :verify-hostname-error t :verify-error t gnutls-negotiate > doesn't produce error with selfsigned CA certificate, when :type > 'gnutls-x509pki passed. > > I use next in my .gnus: > > (defun open-gnutls-stream (name buffer host service) > (gnutls-negotiate :process (open-network-stream name buffer host service) > :hostname host > :verify-hostname-error t :verify-error t)) >