HTTP Proxy in Sambar Server before 6.0 beta 6, when security.ini lacks a 127.0.0.1 proxydeny entry, allows remote attackers to send proxy HTTP requests to the Sambar Server's administrative interface and external web servers, by making a "Connection: keep-alive" request before the proxy requests.
https://exchange.xforce.ibmcloud.com/vulnerabilities/16054
http://www.sambar.com/security.htm
http://www.idefense.com/application/poi/display?id=103&type=vulnerabilities&flashstatus=true
http://securitytracker.com/id?1007819
http://secunia.com/advisories/9578
http://archives.neohapsis.com/archives/bugtraq/2004-04/0353.html