wicd: information disclosure

A sensitive information disclosure flaw was found in the way wicd, wireless and wired network connection manager, performed management of sensitive information, to be stored in log files. Fields like 'password', 'identity', 'private_key', 'private_key_passwd' etc., were not excluded from being logged into /var/log/wicd log file, which could allow local attacker, with the privileges of the 'adm' group to view content of these entities in plain text, leading to information disclosure.