From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#19565: Emacs vulnerable to endless-data attack (minor) Date: Tue, 08 Oct 2019 19:47:54 +0300 Message-ID: <83wodfw5dx.fsf@gnu.org> References: <83a7ad3hlf.fsf@gnu.org> <874l0le314.fsf@gnus.org> <831rvo1qlk.fsf@gnu.org> <87zhibyzh8.fsf@gnus.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="78434"; mail-complaints-to="usenet@blaine.gmane.org" Cc: stefan@marxist.se, 19565@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Oct 08 18:49:12 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iHsff-000KDz-70 for geb-bug-gnu-emacs@m.gmane.org; Tue, 08 Oct 2019 18:49:11 +0200 Original-Received: from localhost ([::1]:58516 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHsfd-0006s3-PM for geb-bug-gnu-emacs@m.gmane.org; Tue, 08 Oct 2019 12:49:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45135) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHsfX-0006rn-J9 for bug-gnu-emacs@gnu.org; Tue, 08 Oct 2019 12:49:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iHsfW-0004hb-JV for bug-gnu-emacs@gnu.org; Tue, 08 Oct 2019 12:49:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:42566) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iHsfW-0004hX-Gt for bug-gnu-emacs@gnu.org; Tue, 08 Oct 2019 12:49:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iHsfW-0000wa-DW for bug-gnu-emacs@gnu.org; Tue, 08 Oct 2019 12:49:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 08 Oct 2019 16:49:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19565 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: security Original-Received: via spool by 19565-submit@debbugs.gnu.org id=B19565.15705532923562 (code B ref 19565); Tue, 08 Oct 2019 16:49:02 +0000 Original-Received: (at 19565) by debbugs.gnu.org; 8 Oct 2019 16:48:12 +0000 Original-Received: from localhost ([127.0.0.1]:51387 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iHsei-0000vO-Aa for submit@debbugs.gnu.org; Tue, 08 Oct 2019 12:48:12 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:35937) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iHseg-0000v9-Fx for 19565@debbugs.gnu.org; Tue, 08 Oct 2019 12:48:10 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:46735) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iHseY-0004EC-42; Tue, 08 Oct 2019 12:48:03 -0400 Original-Received: from [176.228.60.248] (port=4378 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1iHseR-0006C5-VQ; Tue, 08 Oct 2019 12:47:59 -0400 In-reply-to: <87zhibyzh8.fsf@gnus.org> (message from Lars Ingebrigtsen on Tue, 08 Oct 2019 18:27:15 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:168672 Archived-At: > From: Lars Ingebrigtsen > Cc: stefan@marxist.se, 19565@debbugs.gnu.org > Date: Tue, 08 Oct 2019 18:27:15 +0200 > > So bytes/sec, as you suggest, may be the best heuristic. But it should > only kick in after having received a large number of bytes, probably. Yes, I agree. So maybe make it kick in once the process buffer is large enough? And even here we will need to consider, say, shell and term.el buffers, which could grow quite large.