Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
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Date: Wed, 11 Jul 2012 12:29:52 -0700
From: Tyler Hicks <tyhicks@...onical.com>
To: oss-security@...ts.openwall.com
Cc: Kurt Seifried <kseifried@...hat.com>,
	Dustin Kirkland <dustin.kirkland@...zang.com>,
	Marcus Meissner <meissner@...e.de>,
	Dan Rosenberg <dan.j.rosenberg@...il.com>
Subject: Re: Re: ecryptfs headsup

On 2012-07-11 10:48:48, Kurt Seifried wrote:
> So it sounds like a non privileged user on an Ubuntu machine can
> insert a USB stick/etc with a file system that gets automatically
> mounted, said file system can contain setuid root binaries for example
> which the user can then execute, elevating privileges?

Correct, but it isn't limited to Ubuntu. I believe that other distros
ship /sbin/mount.ecryptfs_private as setuid-root, too.

Tyler

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