iDEFENSE Security Advisory 06.14.05-1 – Remote exploitation of an input validation error in multiple telnet clients could allow an attacker to gain sensitive information about the victim’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/38170/06.14.05-1.txt
Source: https://packetstormsecurity.com/files/38170/iDEFENSE-Security-Advisory-2005-06-14.1.html