From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Newsgroups: gmane.emacs.bugs Subject: bug#45198: 28.0.50; Sandbox mode Date: Sun, 13 Dec 2020 16:31:00 +0100 Message-ID: References: Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.17\)) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31052"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 45198@debbugs.gnu.org To: Stefan Monnier , Eli Zaretskii , =?UTF-8?Q?Jo=C3=A3o_?= =?UTF-8?Q?T=C3=A1vora?= , Bastien Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Dec 13 16:32:39 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1koTMU-0007xz-T8 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 13 Dec 2020 16:32:38 +0100 Original-Received: from localhost ([::1]:39528 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1koTMT-0005Dn-Ue for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 13 Dec 2020 10:32:37 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37172) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1koTLu-0004wW-Uo for bug-gnu-emacs@gnu.org; Sun, 13 Dec 2020 10:32:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:38391) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1koTLu-0005iT-NG for bug-gnu-emacs@gnu.org; Sun, 13 Dec 2020 10:32:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1koTLu-0006le-Jw for bug-gnu-emacs@gnu.org; Sun, 13 Dec 2020 10:32:02 -0500 X-Loop: help-debbugs@gnu.org In-Reply-To: Resent-From: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 13 Dec 2020 15:32:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 45198 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 45198-submit@debbugs.gnu.org id=B45198.160787347125802 (code B ref 45198); Sun, 13 Dec 2020 15:32:02 +0000 Original-Received: (at 45198) by debbugs.gnu.org; 13 Dec 2020 15:31:11 +0000 Original-Received: from localhost ([127.0.0.1]:49936 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1koTL5-0006i3-4P for submit@debbugs.gnu.org; Sun, 13 Dec 2020 10:31:11 -0500 Original-Received: from mail18c50.megamailservers.eu ([91.136.10.28]:34764) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1koTKz-0006hb-V8 for 45198@debbugs.gnu.org; Sun, 13 Dec 2020 10:31:09 -0500 X-Authenticated-User: mattiase@bredband.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megamailservers.eu; s=maildub; t=1607873464; bh=oZeGC9xoLyjD8QpyxpakN05RkeMQKBSs4SQ1PaM44OY=; h=From:Subject:Date:Cc:To:From; b=sLvPUKXGZak308rvgEuR4VeFf2/JivM/XacxOPG7lyt0CLf/owWWSHlH3p73d77vF oYmtOx/qfGok2VMC/mWp42SvyvivCckY1kBFzukhguZe1DQrzzObRFW0cJaeRKlltm 6zkq2r+usoeXq2+OIQ04YDpegXeAHl/KoHF5WctY= Feedback-ID: mattiase@acm.or Original-Received: from [192.168.0.4] (c188-150-171-71.bredband.comhem.se [188.150.171.71]) (authenticated bits=0) by mail18c50.megamailservers.eu (8.14.9/8.13.1) with ESMTP id 0BDFV10c010992; Sun, 13 Dec 2020 15:31:03 +0000 X-Mailer: Apple Mail (2.3445.104.17) X-CTCH-RefID: str=0001.0A782F19.5FD633B8.0020, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 X-CTCH-VOD: Unknown X-CTCH-Spam: Unknown X-CTCH-Score: 0.000 X-CTCH-Flags: 0 X-CTCH-ScoreCust: 0.000 X-CSC: 0 X-CHA: v=2.3 cv=e5N4tph/ c=1 sm=1 tr=0 a=SF+I6pRkHZhrawxbOkkvaA==:117 a=SF+I6pRkHZhrawxbOkkvaA==:17 a=kj9zAlcOel0A:10 a=M51BFTxLslgA:10 a=945-CkrjixCtq6tHtyUA:9 a=CjuIK1q_8ugA:10 X-Origin-Country: SE X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:195968 Archived-At: > I'm still worried that there remain wide open security holes, tho. Yes, and we need defence in depth. In addition to the measures already = taken in the patch: 1. Add crash_if_sandboxed() calls in low-level routines that do = objectionable things such as opening files for writing, create network = connections, spawn processes, do DNS lookups, etc. 2. Platform-specific restrictions. I'll add macOS sandboxing if nobody = else does. For Linux there are several options, most a bit messy but = possible to use: seccomp (with or without BFP), name spaces, ptrace, = etc.