From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: Closing a privilege escalation Date: Wed, 25 Apr 2018 18:40:39 -0400 Message-ID: References: Reply-To: rms@gnu.org NNTP-Posting-Host: blaine.gmane.org Content-Type: text/plain; charset=Utf-8 X-Trace: blaine.gmane.org 1524696032 25863 195.159.176.226 (25 Apr 2018 22:40:32 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 25 Apr 2018 22:40:32 +0000 (UTC) Cc: emacs-devel@gnu.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Apr 26 00:40:28 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fBT5Q-0006eA-5D for ged-emacs-devel@m.gmane.org; Thu, 26 Apr 2018 00:40:28 +0200 Original-Received: from localhost ([::1]:39389 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fBT7X-00018h-6b for ged-emacs-devel@m.gmane.org; Wed, 25 Apr 2018 18:42:39 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33934) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fBT5l-0008Rq-Kk for emacs-devel@gnu.org; Wed, 25 Apr 2018 18:40:50 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fBT5k-0007qi-PL for emacs-devel@gnu.org; Wed, 25 Apr 2018 18:40:49 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:41275) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fBT5c-0007no-3m; Wed, 25 Apr 2018 18:40:40 -0400 Original-Received: from rms by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1fBT5b-00035k-Nb; Wed, 25 Apr 2018 18:40:39 -0400 In-reply-to: (message from Lars Ingebrigtsen on Wed, 25 Apr 2018 03:29:25 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:224892 Archived-At: [[[ To any NSA and FBI agents reading my email: please consider ]]] [[[ whether defending the US Constitution against all enemies, ]]] [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > > With some arguments, emacs started inside sudo will run the user's own > > .emacs file rather than root's. This creates a known vulnerability > > for privilege escalation. > Is this about bug#28618? I think this issue was discussed > comprehensively there. The discussion reached the conclusion that the problem is real, even with recent GNU/Linux systems. We have not fixed it. I'm proposing a solution that I think will be adequate. Does anyone have comments about this solution? -- Dr Richard Stallman President, Free Software Foundation (https://gnu.org, https://fsf.org) Internet Hall-of-Famer (https://internethalloffame.org) Skype: No way! See https://stallman.org/skype.html.