From: Pavel Machek <pavel@ucw.cz>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "Heusden van, FJJ (Folkert)" <F.J.J.Heusden@rn.rabobank.nl>,
Roy Sigurd Karlsbakk <roy@karlsbakk.net>,
Linux Kernel Development <linux-kernel@vger.kernel.org>
Subject: Re: random PID patch
Date: Tue, 12 Nov 2002 18:42:08 +0100 [thread overview]
Message-ID: <20021112174207.GB187@elf.ucw.cz> (raw)
In-Reply-To: <1037020203.2919.26.camel@irongate.swansea.linux.org.uk>
Hi!
> > Sometimes, (well; frequently) programs that create temporary
> > files let the filename depend on their PID. A hacker could use
> > that knowledge. So if you know that the application that
>
> Still can if its random. The attacker can be the one who exec's the
> vulnerable app. The attacker can use dnotify
>
> > things it's not supposed to. Like forcing suid apps to create
> > a file in the startup-scripts dir. or something.
>
> Just use namespaces and give every login their own /tmp
Use namespaces? I thought export TMPDIR= was the solution ;-).
Pavel
--
When do you have heart between your knees?
next prev parent reply other threads:[~2002-11-12 17:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-11 10:12 Heusden van, FJJ (Folkert)
2002-11-11 10:17 ` Tomas Szepe
2002-11-11 13:10 ` Alan Cox
2002-11-12 17:42 ` Pavel Machek [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-11-11 10:20 Heusden van, FJJ (Folkert)
2002-11-11 10:14 Grzegorz Jaskiewicz
2002-11-11 8:40 Heusden van, FJJ (Folkert)
2002-11-11 9:57 ` Roy Sigurd Karlsbakk
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