From: Andy Spencer <andy753421@gmail.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC] Privilege dropping security module
Date: Thu, 1 Oct 2009 09:15:37 +0000 [thread overview]
Message-ID: <20091001091537.GA22337@c.hsd1.tn.comcast.net> (raw)
In-Reply-To: <20091001073853.GA1330@ucw.cz>
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> Yeah, and now your ~/.ssh/identity is being uploaded to remote server.
The given policy sets the home directory (including ~/.ssh/) to `X'
which does not include read access, so ~/.ssh/identity should be safe.
There are some other problems with this particular policy though, /tmp/
is still readable for example.
> I believe people are already sandboxing apps with selinux...
Yes, some people (including myself) are already using selinux, tomoyo,
smack, etc, for sandboxing. However, I think those have some
disadvantages that I'm trying to address.
> ...and subterfugue certainly does what you want, using ptrace... no
> kernel mods needed and should already be secure.
subterfugue does look interesting, but it seems like it would be pretty
slow and hasn't been unmaintained since 2001.
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next prev parent reply other threads:[~2009-10-01 9:16 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-23 0:56 Andy Spencer
2009-09-23 20:46 ` Casey Schaufler
2009-09-23 22:31 ` Andy Spencer
2009-09-23 23:03 ` Tetsuo Handa
2009-09-24 16:37 ` David Wagner
2009-09-25 7:22 ` Andy Spencer
2009-09-25 20:48 ` David Wagner
2009-09-26 21:09 ` Andy Spencer
2009-09-27 0:28 ` David Wagner
2009-10-01 7:38 ` Pavel Machek
2009-10-01 9:15 ` Andy Spencer [this message]
2009-10-01 10:42 ` Pavel Machek
2009-09-23 21:31 ` [RFC][PATCH] " Andy Spencer
2009-09-24 16:25 ` Casey Schaufler
2009-09-25 10:06 ` Andy Spencer
2009-09-25 16:23 ` Casey Schaufler
2009-09-26 21:35 ` Andy Spencer
2009-09-28 5:38 ` Rob Meijer
2009-09-25 21:00 ` David Wagner
2009-09-29 7:36 ` Andy Spencer
2009-09-29 7:10 ` [RFC][PATCH] Permission masking security module (was dpriv) Andy Spencer
2009-09-29 17:44 ` Greg KH
2009-09-30 0:18 ` Andy Spencer
2009-10-01 2:33 ` Casey Schaufler
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