Date: Tue, 2 Jul 1996 21:34:27 -0400 (EDT) From: "Pedro F. Giffuni S." <pgiffuni@biblioteca.campus.unal.edu.co> To: security@freebsd.org Subject: Sendmail cracked! Message-ID: <Pine.A32.3.91.960702212427.13507A-100000@biblioteca.campus.unal.edu.co>
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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.
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