The Solaris Management Console (SMC) GUI for Solaris 8 and 9, when creating user accounts that are configured for password aging, creates the accounts with a blank password, which allows remote or local attackers to break into those accounts.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18868
http://www.securityfocus.com/bid/12260
http://www.ciac.org/ciac/bulletins/p-096.shtml
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57717-1