Red Hat Security Advisory 2012-0441-01 - JBoss Enterprise BRMS Platform is a business rules management system for the management, storage, creation, modification, and deployment of JBoss Rules. This roll up patch serves as a cumulative upgrade for JBoss Enterprise BRMS Platform 5.2.0. It includes various bug fixes and enhancements. The following security issues are also fixed with this release: It was found that RESTEasy was vulnerable to XML External Entity attacks. If a remote attacker submitted a request containing an external XML entity to a RESTEasy endpoint, the entity would be resolved, allowing the attacker to read files accessible to the user running the application server. This flaw affected DOM Document and JAXB input.
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