From: Richard Stallman <rms@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: christopher.ian.moore@gmail.com, emacs-pretest-bug@gnu.org
Subject: Re: creating backups in temporary directories
Date: Sun, 09 Sep 2007 21:12:31 -0400 [thread overview]
Message-ID: <E1IUXpH-00075m-Rr@fencepost.gnu.org> (raw)
In-Reply-To: <jwv4pi3fwy8.fsf-monnier+emacs@gnu.org> (message from Stefan Monnier on Sun, 09 Sep 2007 15:41:44 -0400)
> Worse yet: creating backup files in /tmp would be a security hole:
> some other user seeing you're currently editing /tmp/foo could create
> a symlink /tmp/foo~ to some interesting place and then when you save your
> file the backup could be placed at that interesting place chosen by
> the attacker.
> Is that equally true for any directory that others can write?
Yes.
This means that the practice of not making backup files in /tmp
is not a solution for the problem.
Is there any solution?
(I think the motive for not making backup files in /tmp
was just that it seemed pointless.)
prev parent reply other threads:[~2007-09-10 1:12 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-07 10:42 creating backups in temporary directories Chris Moore
2007-09-07 15:36 ` David Kastrup
2007-09-07 17:57 ` Stefan Monnier
2007-09-07 19:43 ` Davis Herring
2007-09-07 19:49 ` Sven Joachim
2007-09-07 19:52 ` David Kastrup
2007-09-08 19:47 ` Richard Stallman
2007-09-07 20:47 ` Stefan Monnier
2007-09-08 19:47 ` Richard Stallman
2007-09-09 19:44 ` Stefan Monnier
2007-09-09 20:01 ` David Kastrup
2007-09-09 20:27 ` Andreas Schwab
2007-09-10 1:11 ` David Kastrup
2007-09-10 19:18 ` Davis Herring
2007-09-10 19:55 ` David Kastrup
[not found] ` <37852.128.165.123.18.1189451917.squirrel@webmail.lanl.gov>
2007-09-10 19:23 ` Davis Herring
2007-09-11 20:32 ` Richard Stallman
2007-09-11 21:17 ` Davis Herring
2007-09-10 1:12 ` Richard Stallman
2007-09-10 2:59 ` Stefan Monnier
2007-09-08 14:38 ` Chris Moore
2007-09-08 19:48 ` Richard Stallman
2007-09-09 19:41 ` Stefan Monnier
2007-09-09 19:45 ` David Kastrup
2007-09-10 1:12 ` Richard Stallman [this message]
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