full-disclosure - Re: (Psexec on *NIX)

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Date: Sun, 4 Feb 2007 23:06:14 -0500
From: "James Matthews" <nytrokiss@...il.com>
To: Q-Ball <qballus@...il.com>
Cc: full-disclosure@...ts.grok.org.uk,
	"Valdis.Kletnieks@...edu" <Valdis.Kletnieks@...edu>
Subject: Re: (Psexec on *NIX)

But naturally it happens all the time! That's what i love about computer
security when ever you try to tell someone to do something normal and smart
they do the polar opposite =)

On 2/4/07, Q-Ball <qballus@...il.com> wrote:
>
> On 2/2/07, Valdis.Kletnieks@...edu <Valdis.Kletnieks@...edu> wrote:
> > On Fri, 02 Feb 2007 13:40:47 +0530, Raj Mathur said:
> > > I believe we have had this discussion before, but I'll iterate my
> > > beliefs in favour of allowing direct root access again:
> >
> > > - Key-based root logins are quite secure.  I don't see any reason why
> > > key-based root login would be any less secure than permitting a user
> > > login followed by an sudo.
> >
> > It's not the security of the login itself - it's the ability to create
> > an audit trail of which userid performed an action.  If you can find
> > some other way to...
> >
>
> Yes ability to audit is important, and you can still retain
> accountably with direct root logons depending upon configuration but
> there are two major security problems
> with direct root logons:
> - Remote brute forcing. Personally I'd rather someone crack 2 accounts
> rather than just one, but maybe that's just me ;-)
> - Security should be implemented on a least privilege basis. Logging
> on as root as opposed to a user, isn't always required and just
> increases your window of opportunity eg. SSH channel attacks, key
> loggers, brute forcing, etc.Quite often sudo should suffice for
> regular tasks.
>
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