From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#59544: [PATCH] Fixed lib-src/etags.c command execute vulnerability Date: Thu, 24 Nov 2022 20:38:04 +0200 Message-ID: <8335a8w643.fsf@gnu.org> References: <837czkw7sl.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="8323"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 59544@debbugs.gnu.org, lx@shellcodes.org To: Stefan Kangas Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Nov 24 19:38:18 2022 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 1oyH73-0001zk-Ae for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 24 Nov 2022 19:38:17 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oyH6p-0000tk-OJ; Thu, 24 Nov 2022 13:38:03 -0500 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 1oyH6o-0000tc-In for bug-gnu-emacs@gnu.org; Thu, 24 Nov 2022 13:38:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oyH6o-0002Hv-7J for bug-gnu-emacs@gnu.org; Thu, 24 Nov 2022 13:38:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oyH6o-00012P-2W for bug-gnu-emacs@gnu.org; Thu, 24 Nov 2022 13:38:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 24 Nov 2022 18:38:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 59544 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: security patch Original-Received: via spool by 59544-submit@debbugs.gnu.org id=B59544.16693150703933 (code B ref 59544); Thu, 24 Nov 2022 18:38:02 +0000 Original-Received: (at 59544) by debbugs.gnu.org; 24 Nov 2022 18:37:50 +0000 Original-Received: from localhost ([127.0.0.1]:60104 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oyH6c-00011N-77 for submit@debbugs.gnu.org; Thu, 24 Nov 2022 13:37:50 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:34018) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oyH6a-000112-S1 for 59544@debbugs.gnu.org; Thu, 24 Nov 2022 13:37:49 -0500 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 1oyH6V-00025F-HZ; Thu, 24 Nov 2022 13:37:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=rB+F5GRKq5PfQGswr9KXvKgAsFXqig4WFFpg/sKlCl4=; b=kYby6o85BFuf NVsDGX60qw+XBZMmya6ACytZQl5FMXzM6C+2/OT+T7BAbsftokPKmI5CQVl+k52FLoXUgn2NxuP2z 9L5wDQ6C3+ShFigxZSTsAmIAStlAN/FW9hIin5hymE6QUgYrkEfXwP5x7ZM9//txYD5q2JzfP2r5v ybiBEGkZhpE098FsDIsFQ9mi04nBdNICHjEN2eavx8X2i287V32laeSvRL2T3N2efgtv9z2FkeOFm RVwovdAtHisnyo1cQ3K1R0AKTSOkpQdLSmN3B+JH3WBmft4bFcSkjW1cfPluZZLD7SLEyppEzFZ97 LtQIZFDRjScR/sKqgqcyRw==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oyH6V-0003Sc-1N; Thu, 24 Nov 2022 13:37:43 -0500 In-Reply-To: (message from Stefan Kangas on Thu, 24 Nov 2022 10:12:31 -0800) 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:248892 Archived-At: > From: Stefan Kangas > Date: Thu, 24 Nov 2022 10:12:31 -0800 > Cc: 59544@debbugs.gnu.org > > But would it not be better to rewrite etags.c to not use system(1) at > all? That's a possibility, yes. Although I doubt that people are still using ctags that comes with Emacs (this code fragment runs only in ctags, not in etags).