full-disclosure - Decrypting a kerberos master database

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Message-ID: <200403250107.i2P17tgd028110@caligula.anu.edu.au>
From: avalon at caligula.anu.edu.au (Darren Reed)
Subject: Decrypting a kerberos master database

In some mail from Richard Massa, sie said:
> 
> Hey all,
> 
> I'm looking for information on decrypting a kerberos database.  Basically, I
> want to follow the steps a hacker would use to obtain passwords in the event
> of a root compromise of a master KDC.  Googling doesn't seem to turn up
> much, but maybe I'm not entering in the right keywords...

Find out where the encryption is kept so that it can boot unattended.

For MIT Kerberos, this is the stash file (/.k5.* is normal.)

A properly secured KDC (master or slave) does nothing else aside
from handle KDC requests, including no remote ssh.

Darren