From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.bugs Subject: bug#66390: `man' allows to inject arbitrary shell code Date: Sun, 08 Oct 2023 22:36:39 -0400 Message-ID: References: <83wmvyzir2.fsf@gnu.org> <585dcaf0-358e-4a9d-84d1-6fd9c2c8aec5@gmail.com> <83v8bizf9r.fsf@gnu.org> <1865abb8-16cd-4570-9a8a-87cf9430583d@gmail.com> <875y3iigua.fsf@gmx.de> <83o7hazap7.fsf@gnu.org> <87mswugyoq.fsf@gmx.de> <83jzryz6op.fsf@gnu.org> <87a5sugwcx.fsf@gmx.de> <83h6n2z3tr.fsf@gnu.org> Reply-To: rms@gnu.org Content-Type: text/plain; charset=Utf-8 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="893"; mail-complaints-to="usenet@ciao.gmane.io" Cc: manikulin@gmail.com, 66390@debbugs.gnu.org, michael.albinus@gmx.de To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Oct 09 04:37:55 2023 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 1qpg9a-000AWz-W2 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 09 Oct 2023 04:37:55 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qpg9R-0001sU-T4; Sun, 08 Oct 2023 22:37:45 -0400 Original-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 1qpg9P-0001sI-QE for bug-gnu-emacs@gnu.org; Sun, 08 Oct 2023 22:37:43 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qpg9N-0006as-NJ for bug-gnu-emacs@gnu.org; Sun, 08 Oct 2023 22:37:41 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qpg9i-00016i-0U for bug-gnu-emacs@gnu.org; Sun, 08 Oct 2023 22:38:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Richard Stallman Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 09 Oct 2023 02:38:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 66390 X-GNU-PR-Package: emacs Original-Received: via spool by 66390-submit@debbugs.gnu.org id=B66390.16968190274186 (code B ref 66390); Mon, 09 Oct 2023 02:38:01 +0000 Original-Received: (at 66390) by debbugs.gnu.org; 9 Oct 2023 02:37:07 +0000 Original-Received: from localhost ([127.0.0.1]:58947 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qpg8p-00015R-3t for submit@debbugs.gnu.org; Sun, 08 Oct 2023 22:37:07 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49528) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qpg8n-00014q-6l for 66390@debbugs.gnu.org; Sun, 08 Oct 2023 22:37:05 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qpg8N-0006Ty-F8; Sun, 08 Oct 2023 22:36:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=Date:References:Subject:In-Reply-To:To:From: mime-version; bh=FnwR0Pbq9D60GBwiyeh/jzBru9xdsvvRrWzjnfms/qk=; b=bVi8E8iOscIp JgChM7PXOrBapa6Uxc9iOun0eDrusVSjzrVF9OdSelF5KXQSJIwuM/9ZMqTsRnWJEzmjs6V4nBGvW CP9st5enhZUmZmqjVNOUQKN0zYA6G9x2uoQZWYVUZiIdU5CylevQ8OM9wP+esGrIdr3wyBhLdZ/sC z7ClJ0bJBNcpjXsBOBcXong6LNw6gphL1dp/2AtvXxDgelrmlUk44+wjItbtO7j8pOCWqbnkymaXw QGqhVtpjbZvX3ktWNrZFp2GwjDOdBEtrIIadbJVkOAotCSlmcVmMrtpLm77oWMQ/NJ4zFkMHDa48r P2l86vbo/xbnjVr2OlRUNQ==; Original-Received: from rms by fencepost.gnu.org with local (Exim 4.90_1) (envelope-from ) id 1qpg8N-0004yH-3Y; Sun, 08 Oct 2023 22:36:39 -0400 In-Reply-To: <83h6n2z3tr.fsf@gnu.org> (message from Eli Zaretskii on Sat, 07 Oct 2023 21:26:40 +0300) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:272121 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. ]]] > We can do something, just not the way it was suggested: avoid using > the shell. I wonder: do we need to backport this fix to old Emacs versions that we do not normally maintainn at all, because of the insecurity? -- Dr Richard Stallman (https://stallman.org) Chief GNUisance of the GNU Project (https://gnu.org) Founder, Free Software Foundation (https://fsf.org) Internet Hall-of-Famer (https://internethalloffame.org)