RHSA-2017:1676: Moderate: Red Hat JBoss BRMS security update

First published: Tue Jul 04 2017(Updated: )

Red Hat JBoss BRMS is a business rules management system for the management, storage, creation, modification, and deployment of JBoss Rules.<br>This release of Red Hat JBoss BRMS 6.4.4 serves as a replacement for Red Hat JBoss BRMS 6.4.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.<br>Security Fix(es):<br><li> It was found that GZIPInterceptor is enabled when not necessarily required in RESTEasy. An attacker could use this flaw to launch a Denial of Service attack. (CVE-2016-6346)</li> <li> It was discovered that under certain conditions RESTEasy could be forced to parse a request with YamlProvider, resulting in unmarshalling of potentially untrusted data. An attacker could possibly use this flaw execute arbitrary code with the permissions of the application using RESTEasy. (CVE-2016-9606)</li> <li> It was found that logback is vulnerable to a deserialization issue. Logback can be configured to allow remote logging through SocketServer/ServerSocketReceiver interfaces that can accept untrusted serialized data. Authenticated attackers on the adjacent network can leverage this vulnerability to execute arbitrary code through deserialization of custom gadget chains. (CVE-2017-5929)</li> Red Hat would like to thank Mikhail Egorov (Odin) for reporting CVE-2016-6346 and Moritz Bechler (AgNO3 GmbH &amp; Co. KG) for reporting CVE-2016-9606.

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