Red Hat Security Advisory 2012-0421-01 - Red Hat Enterprise Virtualization Manager is a visual tool for centrally managing collections of virtual machines running Red Hat Enterprise Linux and Microsoft Windows. These packages also include the Red Hat Enterprise Virtualization Manager REST API, a set of scriptable commands that give administrators the ability to perform queries and operations on Red Hat Enterprise Virtualization Manager. It was found that RESTEasy was vulnerable to XML External Entity attacks. If a remote attacker who is able to access the Red Hat Enterprise Virtualization Manager REST API 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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