Red Hat Security Advisory 2013-0586-01 - JBoss Enterprise BRMS Platform is a business rules management system for the management, storage, creation, modification, and deployment of JBoss Rules. JBoss Enterprise Portal Platform is the open source implementation of the Java EE suite of services and Portal services running atop JBoss Enterprise Application Platform. JBoss Enterprise SOA Platform is the next-generation ESB and business process automation infrastructure. When using LDAP authentication with the provided LDAP login modules, empty passwords were allowed by default. An attacker could use this flaw to bypass intended authentication by providing an empty password for a valid username, as the LDAP server may recognize this as an 'unauthenticated authentication'. This update sets the allowEmptyPasswords option for the LDAP login modules to false if the option is not already configured.
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