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Date:      Wed, 14 Jun 2006 20:26:11 -0500
From:      Jonathan Horne <jhorne@dfwlp.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: Sendmail patch; brings up a questions about buildworld
Message-ID:  <200606142026.11511.jhorne@dfwlp.com>
In-Reply-To: <200606150056.k5F0ufOh053199@app.auscert.org.au>
References:  <200606150056.k5F0ufOh053199@app.auscert.org.au>

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On Wednesday 14 June 2006 19:56, Joel Hatton wrote:
> On Wed, 14 Jun 2006 19:15:14 -0500, Jonathan Horne wrote:
> >question: if i choose Patch Solution 1 from
> >http://security.freebsd.org/advisories/FreeBSD-SA-06:17.sendmail.asc, do i
> >need to build a new kernel to go with this, or can i just build the world
> > and be done with it?
>
> The phrase "Upgrade your vulnerable system" implies performing the full
> upgrade as per handbook, which means kernel and world.
>
> I would never recommend rebuilding world without kernel, even it appears
> to be without risk, for three extremely good reasons:
>
> 	o the handbook says not to, and explains why
>
> 	o so that you will never fall into the habit of just building world
> 	and get caught out one day when it bites you
>
> 	o so that the correct version of your system will be reflected in
> 	the output of 'uname -a' eg: 5.3-RELEASE-p32 and hence you will
> 	be able to track the patchlevel of your system
>
> That said, I wouldn't discourage you from patching sendmail immediately
> to correct the vulnerability as per procedure 2) if time is critical but
> I would certainly encourage following through with a system update as per
> 1) as soon as possible.
>
> cheers,
> joel
> _______________________________________________

good enough for me... i was just wondering if it was ever done (as common 
practice) without the kernel.

thanks,
jonathan



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