The FTP client for Solaris 2.6, 7, and 8 with the debug (-d) flag enabled displays the user password on the screen during login.
https://exchange.xforce.ibmcloud.com/vulnerabilities/11436
http://www.securitytracker.com/id?1006195
http://www.securityfocus.com/bid/6989
http://sunsolve.sun.com/search/document.do?assetkey=1-26-51081-1