From owner-freebsd-security Tue Jul 2 22:13:36 1996 Return-Path: owner-security Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id WAA00749 for security-outgoing; Tue, 2 Jul 1996 22:13:36 -0700 (PDT) Received: from haven.uniserve.com (haven.uniserve.com [198.53.215.121]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id WAA00741 for ; Tue, 2 Jul 1996 22:13:33 -0700 (PDT) Received: by haven.uniserve.com id <32076-23942>; Tue, 2 Jul 1996 22:17:09 -0800 Date: Tue, 2 Jul 1996 22:17:01 -0700 (PDT) From: Tom Samplonius To: "Pedro F. Giffuni S." cc: security@FreeBSD.org Subject: Re: Sendmail cracked! In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-security@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk On Tue, 2 Jul 1996, Pedro F. Giffuni S. wrote: > Hello: > I am running kerberos and DES, but to my surprise my 2 FreeBSD's and my > AIX's received me with a funny message: /etc/motd was modified and wtmp > erased. > I knew I was under attack before because of some failed logins, on my fbsds, > and strange "cannot execute" messages un my AIXs root mail. By the message I > received, I know other computers in the campus are cracked also. > > My solution was securing sendmail by running it in the inetd.conf with > tcp_wrappers. It is a last moment solution...Is there a new sendmail, a > patch, or a configuration option? > > regards, > Pedro. > How do you know it was Sendmail? Tom