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Date:      Tue, 29 Jul 1997 08:50:07 -0400 (EDT)
From:      Adam Shostack <adam@homeport.org>
To:        robert+freebsd@cyrus.watson.org
Cc:        adam@homeport.org, vince@mail.MCESTATE.COM, security@FreeBSD.ORG
Subject:   Re: security hole in FreeBSD
Message-ID:  <199707291250.IAA12447@homeport.org>
In-Reply-To: <Pine.BSF.3.95q.970728164656.3342K-100000@cyrus.watson.org> from Robert Watson at "Jul 28, 97 04:55:19 pm"

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Robert Watson wrote:
| On Mon, 28 Jul 1997, Adam Shostack wrote:
| 
| > Vincent Poy wrote:
| > 
| > 	su really should be setuid.  Everything else is debatable.  My
| > advice is to turn off all setuid bits except those you know you need
| > (possibly w, who, ps, ping, at, passwd)

| Several mail delivery programs (mail.local, sendmail, uucp-stuff, etc)
| require root access to delivery to local mailboxes; crontab related stuff,
| terminal locking, some kerberos commands, local XWindows servers, and su
| all rely on suid.

I know no one who still runs uucp.  There are a few holdouts, but most
systems can leave uucp off with no pain.  Ditto with kerberos. :)

Adam

-- 
"It is seldom that liberty of any kind is lost all at once."
					               -Hume





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