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Hello, a recent bugtraq posting by CISSP C.J. Steele contains a vulnerability which will leave
a box possibly open for remote command execution. There are many ways to exploit this, but I
chose logging in through ftp with username like
sshd rhost 9 10 11 |rm${IFS}-rf${IFS}/|echo'1.1.1.1'
because of poor input validation and improper use of system calls in tattle this will execute
the rm -rf / and echo'1.1.1.1' commands. I would assume that in many cases tattle would be
running as root. The problem is in the getemails subroutine on the line my $whois =
`/usr/bin/whois $tld`;
Author not notified. I believe he reads this list.
Suggested workaround. Disable tattle until patch.
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