From: Bodo Eggert <7eggert@elstempel.de>
To: Marcel Holtmann <marcel@holtmann.org>,
Linus Torvalds <torvalds@osdl.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>, Eugene Teo <eteo@redhat.com>
Subject: Re: Require mmap handler for a.out executables
Date: Thu, 27 Jul 2006 19:49:42 +0200 [thread overview]
Message-ID: <E1G69zn-0001Wb-66@be1.lrz> (raw)
In-Reply-To: <6COYh-8f0-41@gated-at.bofh.it>
Marcel Holtmann <marcel@holtmann.org> wrote:
> with the nasty /proc privilege escalation (CVE-2006-3626) it became
> clear that we need to do something more to better protect us against
> people exploiting stuff in /proc. Besides the don't allow chmod stuff,
> Eugene also proposed to depend the a.out execution on the existence of
> the mmap handler. Since we are doing the same for ELF, this makes
> totally sense to me.
Can shell scripts or binfmt_misc be exploited, too? Even if not, I'd
additionally force noexec, nosuid on proc and sysfs mounts.
--
Ich danke GMX dafür, die Verwendung meiner Adressen mittels per SPF
verbreiteten Lügen zu sabotieren.
http://david.woodhou.se/why-not-spf.html
next parent reply other threads:[~2006-07-27 17:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <6COYh-8f0-41@gated-at.bofh.it>
2006-07-27 17:49 ` Bodo Eggert [this message]
2006-07-27 17:59 ` Eugene Teo
2006-07-27 18:25 ` Alan Cox
2006-07-27 21:18 ` Bodo Eggert
2006-07-26 10:31 Marcel Holtmann
2006-07-27 15:07 ` Christoph Hellwig
2006-07-27 15:18 ` Linus Torvalds
2006-07-27 15:44 ` Marcel Holtmann
2006-07-27 17:21 ` Eugene Teo
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