From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: Emacs Lisp's future Date: Tue, 07 Oct 2014 17:31:58 +0200 Message-ID: References: <54193A70.9020901@member.fsf.org> <87r3yxwdr6.fsf@uwakimon.sk.tsukuba.ac.jp> <87tx3tmi3t.fsf@fencepost.gnu.org> <834mvttgsf.fsf@gnu.org> <87lhp5m99w.fsf@fencepost.gnu.org> <87h9ztm5oa.fsf@fencepost.gnu.org> <87d2ahm3nw.fsf@fencepost.gnu.org> <871tqneyvl.fsf@netris.org> <87d2a54t1m.fsf@yeeloong.lan> <83lhotme1e.fsf@gnu.org> <871tql17uw.fsf@yeeloong.lan> <838uktm9gw.fsf@gnu.org> <87h9zgarvp.fsf@fencepost.gnu.org> <87mw97rjwm.fsf@yeeloong.lan> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1412695976 7074 80.91.229.3 (7 Oct 2014 15:32:56 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 7 Oct 2014 15:32:56 +0000 (UTC) Cc: David Kastrup , Richard Stallman , dmantipov@yandex.ru, emacs-devel@gnu.org, handa@gnu.org, monnier@iro.umontreal.ca, Eli Zaretskii , stephen@xemacs.org To: Mark H Weaver Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Oct 07 17:32:48 2014 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XbWkq-0002Zp-Hw for ged-emacs-devel@m.gmane.org; Tue, 07 Oct 2014 17:32:48 +0200 Original-Received: from localhost ([::1]:59449 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XbWkq-00043B-6H for ged-emacs-devel@m.gmane.org; Tue, 07 Oct 2014 11:32:48 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56142) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XbWkR-0003sy-1u for emacs-devel@gnu.org; Tue, 07 Oct 2014 11:32:28 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XbWkJ-0004OL-VF for emacs-devel@gnu.org; Tue, 07 Oct 2014 11:32:21 -0400 Original-Received: from cantor2.suse.de ([195.135.220.15]:33814 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XbWk7-00044y-30; Tue, 07 Oct 2014 11:32:03 -0400 Original-Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id B16CDACE3; Tue, 7 Oct 2014 15:31:59 +0000 (UTC) X-Yow: This PORCUPINE knows his ZIPCODE.. And he has ``VISA''!! In-Reply-To: <87mw97rjwm.fsf@yeeloong.lan> (Mark H. Weaver's message of "Tue, 07 Oct 2014 11:15:05 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] X-Received-From: 195.135.220.15 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:175075 Archived-At: Mark H Weaver writes: > However, if the overlong sequence came from the network, and Emacs > propagates it unchanged to internal subsystems[*] (e.g. via command-line > arguments to subprocesses), that's not good. It exposes another program > to invalid input -- a program that might not be designed for exposure to > possible attacks via overlong encodings. At least it doesn't make it worse (it is unchanged from the situation if you remove Emacs as a filter). Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."