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Date:      Tue, 22 Dec 1998 21:58:43 +0300
From:      Igor Vinokurov <igor@rtsnet.ru>
To:        freebsd-security@FreeBSD.ORG
Subject:   Re: About chroot
Message-ID:  <19981222215843.A6647@rtsnet.ru>

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Dag-Erling Smorgrav <des@flood.ping.uio.no> write:
> > Are there any way to change back to the / , when logged in chroot-ed
> > environment?
> 
> Break root, create a device node for kmem, open it, edit your process
> structure. Or something like that. Won't work unless there are
> exploitable suid binaries available, but I'm sure there are other,
> subtler ways.

BTW, which devices absolutely needed for chrooted environment?

Now I create these:

fd/, null, pty*, stdin, stderr, stdout, tty*, zero...

-- 
Igor Vinokurov

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