Login Window in Apple Mac OS X 10.7.3, when Legacy File Vault or networked home directories are enabled, does not properly restrict what is written to the system log for network logins, which allows local users to obtain sensitive information by reading the log.
http://www.securitytracker.com/id?1027024
http://www.securityfocus.com/bid/53457
http://www.securityfocus.com/bid/53445
http://support.apple.com/kb/HT5501
http://support.apple.com/kb/HT5281
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html