Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 28 Mar 2002 00:35:06 +1000
From:      Andrew Kenneth Milton <akm@theinternet.com.au>
To:        Bill Vermillion <bv@wjv.com>
Cc:        Andrew Kenneth Milton <akm@theinternet.com.au>, security@FreeBSD.ORG
Subject:   Re: Question on su / possible hole
Message-ID:  <20020328003506.F40004@zeus.theinternet.com.au>
In-Reply-To: <20020327142432.GB30556@wjv.com>; from bv@wjv.com on Wed, Mar 27, 2002 at 09:24:33AM -0500
References:  <20020327140006.GA30556@wjv.com> <20020328000329.E40004@zeus.theinternet.com.au> <20020327142432.GB30556@wjv.com>

next in thread | previous in thread | raw e-mail | index | archive | help
+-------[ Bill Vermillion ]----------------------
| On Thu, Mar 28, 2002 at 12:03:29AM +1000, Andrew Kenneth Milton thus spoke:
| > +-------[ Bill Vermillion ]----------------------
| > |
| > | However I have found that if non-wheel-group user can su to a
| > | user who has wheel privledges - the the non-wheel user can su to
| > | root.
| 
| > So they can simply login as the user with wheel access and circumvent 
| > any further checking anyway. They'd need the password after all.
|
| They do need the password of course.  But if you expand the wheel
| concept to the point that you can only become root if you are a
| named user in this group - IOW a trusted user - then the system
| would be more secure.

So remove world execute access from su, make an su-users group and chgrp
su with that group ?

I think you have the tools you need to do what you want d8)

-- 
Totally Holistic Enterprises Internet|                      | Andrew Milton
The Internet (Aust) Pty Ltd          |                      |
ACN: 082 081 472 ABN: 83 082 081 472 |  M:+61 416 022 411   | Carpe Daemon
PO Box 837 Indooroopilly QLD 4068    |akm@theinternet.com.au| 

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-security" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020328003506.F40004>