Kootenay Web KW Whois 1.0 CGI program allows remote attackers to execute arbitrary commands via shell metacharacters in the "whois" parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5438
http://www.kootenayweb.bc.ca/scripts/whois.txt
http://archives.neohapsis.com/archives/bugtraq/2000-10/0420.html
http://archives.neohapsis.com/archives/bugtraq/2000-10/0419.html