Technical Cyber Security Alert TA07-059A – A worm is exploiting a vulnerability in the telnet daemon (in.telnetd) on unpatched Sun Solaris systems. The vulnerability allows the worm (or any attacker) to log in via telnet (23/tcp) with elevated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/54815/TA07-059A.txt
Source: https://packetstormsecurity.com/files/54815/Technical-Cyber-Security-Alert-2007-59A.html