JBoss: allows empty password to authenticate against LDAP

The default configuration of the 1 LdapLoginModule and 2 LdapExtLoginModule modules in JBoss Enterprise Application Platform EAP 4.3.0 CP10, 5.2.0, and 6.0.1, and Enterprise Web Platform EWP 5.2.0 allow remote attackers to bypass authentication via an empty password...