overflow.cgi CGI script in Sun Cobalt RaQ 4 with the SHP (Security Hardening Patch) installed allows remote attackers to execute arbitrary code via a POST request with shell metacharacters in the email parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/10776
http://www.securityfocus.com/bid/6326
http://www.kb.cert.org/vuls/id/810921
http://www.ciac.org/ciac/bulletins/n-025.shtml
http://www.cert.org/advisories/CA-2002-35.html
http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert/49377