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Date:      21 Feb 2001 02:55:49 +0100
From:      assar@FreeBSD.org
To:        Robert Watson <rwatson@FreeBSD.org>
Cc:        "Brian F. Feldman" <green@FreeBSD.org>, security@FreeBSD.org
Subject:   Re: PAM/SSH and KerberosIV?
Message-ID:  <5l8zn0ajfe.fsf@assaris.sics.se>
In-Reply-To: Robert Watson's message of "Fri, 2 Feb 2001 21:14:38 -0500 (EST)"
References:  <Pine.NEB.3.96L.1010202210509.37792A-100000@fledge.watson.org>

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Robert Watson <rwatson@FreeBSD.org> writes:
> However, this seems to have broken using unique kerberos ticket filenames
> for each session -- now it always uses /tmp/tkt1000 for uid 1000, rather
> than /tmp/tkt1000_randomnumber, meaning that if you log in twice, the
> first logout hoses the tickets for the second session.  This didn't happen
> previously, and is probably an issue with pam_kerberosIV.so that I didn't
> run into previously since I always logged in via SSH.  It's probably not a
> security hole as presumably KTH does the right thing with regards to
> O_EXCL and so on, but it's not ideal.

That's what src/lib/libpam/modules/pam_kerberosIV/klogin.c does, and
yes, it should be perfectly safe.

/assar

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