[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <46F92C17.3060405@davidnewall.com>
Date: Wed, 26 Sep 2007 01:11:11 +0930
From: David Newall <david@...idnewall.com>
To: Jan Engelhardt <jengelh@...putergmbh.de>
CC: "Serge E. Hallyn" <serge@...lyn.com>,
Bill Davidsen <davidsen@....com>,
Philipp Marek <philipp@...ek.priv.at>, 7eggert@....de,
Alan Cox <alan@...rguk.ukuu.org.uk>,
majkls <majkls@...pere.com>, bunk@...tum.de,
linux-kernel@...r.kernel.org
Subject: Re: Chroot bug
Jan Engelhardt wrote:
> On Sep 26 2007 00:40, David Newall wrote:
>
>> Miloslav Semler pointed out that a root process can chdir("..") out of its
>> chroot.
> So what? Just do this: chdir into the root after chroot.
>
I don't think so. His exploit just got me all the way out of a chroot
within a chroot within a chroot, inclusive of lots of chdirs.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists