Buffer overflow in Webfind CGI program in O'Reilly WebSite Professional web server 2.x allows remote attackers to execute arbitrary commands via a URL containing a long "keywords" parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/4962
http://www.securityfocus.com/bid/1487
http://www.nai.com/research/covert/advisories/043.asp
http://website.oreilly.com/support/software/wspro25_releasenotes.txt