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Date: Sat, 28 Jul 2001 06:17:50 +0100 From: Nathan Ollerenshaw <chrome@stupendous.net> To: bugtraq@securityfocus.com Subject: Mac OS X & Darwin/BSD vulnerable to telnetd overflow [titanium:~/desktop] chrome% ./SPtelnetAYT localhost Telnetd AYT overflow scanner, by Security Point(R) Host: localhost Connected to remote host... Sending telnet options... stand by... Telnetd on localhost vulnerable [titanium:~/desktop] chrome% telnet localhost Trying 127.0.0.1... Connected to localhost.stupendous.net. Escape character is '^]'. Darwin/BSD (titanium) (ttyp5) login: ^] telnet> close Connection closed. Note that by default telnet is disabled in /etc/inetd.conf (as are most things, except for portmapper/NFS, ugh) so the impact should be minimal. If you're not using the OpenSSH included with OS X, you're mad. This was tested successfully on Mac OS X 10.0.4 from both the local machine, and from a remote Sparc Solaris 2.7 host. I'd notify Apply, only I have no idea what address to use, and it's 6am and I've not slept yet (catching up to bugtraq from a 2 week holiday, wow, that Code Red thing was bad, glad I wasn't around when THAT baby hit, ho ho ho) Nathan. -- "The computer can't tell you the emotional story. It can give you the exact mathematical design, but what's missing is the eyebrows." - Frank Zappa
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