Red Hat Security Advisory 2017-3218-01 - Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server. This release of Red Hat JBoss Enterprise Application Platform 6.4.18 serves as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.17, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix: It was found that while parsing the SAML messages the StaxParserUtil class of Picketlink replaces special strings for obtaining attribute values with system property. This could allow an attacker to determine values of system properties at the attacked system by formatting the SAML request ID field to be the chosen system property which could be obtained in the "InResponseTo" field in the response. Continue reading...