source: http://www.securityfocus.com/bid/23082/info

Mozilla Firefox is prone to vulnerability that may allow attackers to obtain potentially sensitive information.

A successful exploit of this issue would cause the affected application to connect to arbitrary TCP ports and potentially reveal sensitive information about services that are running on the affected computer. Information obtained may aid attackers in further attacks. 

http://www.exploit-db.com/sploits/29768.zip