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Date:      Thu, 27 Jun 2002 09:54:58 +1000
From:      "Chris Knight" <chris@aims.com.au>
To:        <rwatson@FreeBSD.ORG>
Cc:        <freebsd-security@FreeBSD.ORG>
Subject:   RE: Wow
Message-ID:  <012e01c21d6c$e16ce9c0$020aa8c0@aims.private>
In-Reply-To: <Pine.NEB.3.96L.1020626161426.16603A-100000@fledge.watson.org>

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Howdy,

> -----Original Message-----
> From: owner-freebsd-security@FreeBSD.ORG
> [mailto:owner-freebsd-security@FreeBSD.ORG]On Behalf Of Robert Watson
> Sent: Thursday, 27 June 2002 6:20
> To: Jamie Norwood
> Cc: freebsd-security@FreeBSD.ORG
> Subject: Re: Wow
> 
> [snip]
> 
> If people want to do something useful, looking for nits in our 
> integration of the new OpenSSH code in -CURRENT would be useful, as
> we're in the process of merging to -STABLE and catching the nits
> sooner rather than later would really be preferred.  In particular,
> looking for any issues with PAM would be useful, and with non-default
> authentication types (hardware authentication tokens, kerberos, etc). 
> 
Isn't the merge a little bit hasty? According to the advisory, the
least intrusive change to -STABLE would be to uncomment the
ChallengeResponseAuthentication in /usr/src/crypto/openssh/sshd_config.
The PAM issues appear to only be in 2.9.9+.
Also, my understanding of the advisory is that the exploit hasn't been
fixed - it's just that Privilege Separation will limit the exploit to
a chrooted environment with minimal permissions.
Please correct me if I'm wrong.

> Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
> robert@fledge.watson.org      Network Associates Laboratories

Regards,
Chris Knight
Systems Administrator
AIMS Independent Computer Professionals
Tel: +61 3 6334 6664  Fax: +61 3 6331 7032  Mob: +61 419 528 795
Web: http://www.aims.com.au 


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