From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp10.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms5.migadu.com with LMTPS id 0LNeMU25smNKSgEAbAwnHQ (envelope-from ) for ; Mon, 02 Jan 2023 12:00:29 +0100 Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp10.migadu.com with LMTPS id kFyXME25smM1bAAAG6o9tA (envelope-from ) for ; Mon, 02 Jan 2023 12:00:29 +0100 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 4A36C1BFA3 for ; Mon, 2 Jan 2023 12:00:29 +0100 (CET) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pCIXc-0001Qy-V3; Mon, 02 Jan 2023 05:59:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pCIXX-0001Qn-Pp for emacs-orgmode@gnu.org; Mon, 02 Jan 2023 05:59:35 -0500 Received: from relay-egress-host.us-east-2.a.mail.umich.edu ([18.216.144.57] helo=manifest-afallach.relay-egress.a.mail.umich.edu) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pCIXV-0003YC-JF; Mon, 02 Jan 2023 05:59:34 -0500 Received: from included-kishi.authn-relay.a.mail.umich.edu (ip-10-0-73-52.us-east-2.compute.internal [10.0.73.52]) by manifest-afallach.relay-egress.a.mail.umich.edu with ESMTPS id 63B2B90A.1F142EFF.1E01B861.94655; Mon, 02 Jan 2023 05:59:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=umich.edu; s=relay-2018-08-29; t=1672657162; bh=adBNIq9GndQ+R/QandXzVK6Yi+jKC8Nyfa5rpmbx5mw=; h=To:cc:From:Subject:In-reply-to:References:Date; b=PndQCxEIebu9Z3U5KCzUo7lEnWjhQMN89xKlTjDslVHrTFhhqKHMfANg6G4pcxr/b xI/mn8TI1WOv5JldL0xEEVw0wrS32Bo4SnUWuTkUdNJb9FRh1K37LoQCBY5vqXYNx+ /hcLZQCmK/vcSq+wh2E9LUvGha4gjKnL5TuOdwhXqEJys4Vrgo2oBBh2OJJ9hE6Uv0 meahGPQ7cGERoBte+Wnp+B3yZ8QkLrVf79ANVlhyYvpgwTnRuOz8wcDDe3zu4cr9+H c/2wNdaZ5EAWVx2xI/5GWfrd65iOb82jNRpENo/PkLDykhk6ClZZSJG9/kMuJJCgt0 DsIGgxtUXtyLA== Received: from localhost (Mismatch [85.103.28.184]) by included-kishi.authn-relay.a.mail.umich.edu with ESMTPSA id 63B2B908.1834CF1C.4AAD0D75.197909; Mon, 02 Jan 2023 05:59:21 -0500 To: Ihor Radchenko cc: Tom Gillespie , Bastien , Kyle Meyer , emacs-orgmode@gnu.org From: Greg Minshall Subject: Re: [SECURITY] Arbitrary code evaluation security in Org In-reply-to: <87edsd5o89.fsf@localhost> References: <87359ld5ye.fsf@kyleam.com> <874ju0j538.fsf@localhost> <87k02fspxa.fsf@localhost> <87edsii4mo.fsf@gnu.org> <87h6xetbfn.fsf@localhost> <878rips273.fsf@bzg.fr> <878rinadlq.fsf@localhost> <87edsd5o89.fsf@localhost> Comments: In-reply-to Ihor Radchenko message dated "Mon, 02 Jan 2023 08:34:30 +0000." 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+larch=yhetil.org@gnu.org Sender: emacs-orgmode-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1672657229; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=adBNIq9GndQ+R/QandXzVK6Yi+jKC8Nyfa5rpmbx5mw=; b=JBCHQ1e2DiGQ76HtkVM6R8T33E6hVZ3jZrrltafX7VchyBenOmJkXNsMoZUM8lusCgMqQQ YXUyrFvF1/50u4hDJJFBy9UCTuzOcteOrXmHcYjIc481AWB+qdYNjinOilLDpUf0hHU5Gb iIJPhamJAQVlh7vlsajpAN2d+m9bgqw9focirLEJeIg0KdHogN8GwE0WuXqPZr9mOdm0GI mXIbcr8OuEPJqHIwDjMCUcv1vBf0zgBl8ZCyUKA6UcwPu9aVxO0Go/ODNmH18M9Wh9ooTA eaocrvYuMEX1Vf+XN5zVRQSXssQ36AV6NJKAKhrc0Vbd+us7MileT8yBn+bdtw== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=umich.edu header.s=relay-2018-08-29 header.b=PndQCxEI; spf=pass (aspmx1.migadu.com: domain of "emacs-orgmode-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="emacs-orgmode-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=none) header.from=umich.edu ARC-Seal: i=1; s=key1; d=yhetil.org; t=1672657229; a=rsa-sha256; cv=none; b=hLNaUl4st3QC1TyymHRk5Nab0okGgTN8WR2PzGwuP3txXaJA7qu2Ub5sXhAyybLw3x5bXS Jc4KLmPduouqqqOvC4lZivGRp9MExK2DcFnveiyjOLuzijr0zK81zsgi4B+31KKw+E8aAS HFmjmPGwUt80QEdVWxTQjMemMMJYkjUNIA7KII75tz5sXillPFr7dlaEC1llRudBfht5tM whnaIMeVYCt2IFKTzzFGeKXJDt2Yeg9uN9hGEjrdPo2sN2JH7tzJClOt56quxpi5FhqA/D hrlTGs1LSGn+VDeEQJQUE5djOnZpUpVov/pKxsKmOw6XuYRznnRcXquKdfks8g== X-Spam-Score: -6.67 X-Migadu-Queue-Id: 4A36C1BFA3 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=umich.edu header.s=relay-2018-08-29 header.b=PndQCxEI; spf=pass (aspmx1.migadu.com: domain of "emacs-orgmode-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="emacs-orgmode-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=none) header.from=umich.edu X-Migadu-Scanner: scn1.migadu.com X-Migadu-Spam-Score: -6.67 X-TUID: M3Dc2cdmRSfh Ihor, thanks for this. one additional item (i don't *think* we discussed this before; apologies if i'm forgetting): tangling. if one is prompted to "merely" tangle ... ---- #+begin_src sh :tangle /var/tmp/foo.org.tangled echo 'hi!' #+end_src ---- one could imagine more sinister scenarios for destination, content. i don't really know what, how much, to do. possibly just an option, defaulting to =nil=, allowing tangle to write a file outside the subtree that holds the .org file being tangled. cheers, Greg