From owner-freebsd-security Sat Aug 25 11:54: 2 2001 Delivered-To: freebsd-security@freebsd.org Received: from smtp-server3.tampabay.rr.com (smtp-server3.tampabay.rr.com [65.32.1.41]) by hub.freebsd.org (Postfix) with ESMTP id CEFCD37B409 for ; Sat, 25 Aug 2001 11:53:57 -0700 (PDT) (envelope-from colk@tampabay.rr.com) Received: from kriss (24161242hfc240.tampabay.rr.com [24.161.242.240]) by smtp-server3.tampabay.rr.com (8.11.2/8.11.2) with SMTP id f7PIrmU18699; Sat, 25 Aug 2001 14:53:49 -0400 (EDT) Message-ID: <001201c12d97$46124a80$f0f2a118@tampabay.rr.com> From: "Kristen Doyle" To: "David Kirchner" Cc: "Mike" , "Moo Moo Moo" References: <20010825095954.I38221-100000@localhost> Subject: Re: Question Date: Sat, 25 Aug 2001 14:53:46 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org ahh ok i guess it must have paniced what kinds of things would make it panic? ----- Original Message ----- From: "David Kirchner" To: "Kristen Doyle" Cc: "Mike" ; "Moo Moo Moo" Sent: Saturday, August 25, 2001 1:11 PM Subject: Re: Question > I'm not aware of any exploits for the shutdown command. If shutdown was > used, you'll see it in the 'last' output and in /var/log/messages. > > On all of my FreeBSD systems, shutdown is setuid-root and is also owned by > the operator group, so anyone in operator can reboot the box through > shutdown. > > Without more information, I would guess that your server was rebooted > through a different exploit, or perhaps it rebooted because it panic'd and > you have DDB and DDB_UNATTENDED(IIRC) configured in the kernel. > > On Sat, 25 Aug 2001, Kristen Doyle wrote: > > > As i thought I belive someone exploited that to reboot the box ( its a shell server with about 20 users on it so I only want shutdown really working from su or with a password > > ----- Original Message ----- > > From: Mike > > To: Kristen Doyle > > Sent: Saturday, August 25, 2001 12:29 PM > > Subject: Re: Question > > > > > > No shutdown does not need to be suid but if you do set it -s then I would chmod 700 it. > > -Mike > > ----- Original Message ----- > > From: Kristen Doyle > > To: Moo Moo Moo > > Sent: Saturday, August 25, 2001 12:25 PM > > Subject: Question > > > > > > Does anyone know if shutdown should be setuid to work or if it dosent need it > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message