It was discovered that MBeanServer implementation in the JMX component in OpenJDK did not properly check privileges of the code. An untrusted Java application or applet could use this flaw to bypass Java sandbox restrictions. This update also changes default package access restrictions, making the whole com.sun.jmx. package restricted. Upstream commit, as included in IcedTea7 repositories: http://icedtea.classpath.org/hg/release/icedtea7-forest-2.3/jdk/rev/3cd2c0907802 External Reference: http://www.oracle.com/technetwork/topics/security/javacpufeb2013update-1905892.html
This issue has been addressed in following products: Red Hat Enterprise Linux 6 Via RHSA-2013:0273 https://rhn.redhat.com/errata/RHSA-2013-0273.html
This issue has been addressed in following products: Red Hat Enterprise Linux 5 Via RHSA-2013:0274 https://rhn.redhat.com/errata/RHSA-2013-0274.html
This issue has been addressed in following products: Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 5 Via RHSA-2013:0275 https://rhn.redhat.com/errata/RHSA-2013-0275.html
This issue has been addressed in following products: Supplementary for Red Hat Enterprise Linux 6 Supplementary for Red Hat Enterprise Linux 5 Via RHSA-2013:0532 https://rhn.redhat.com/errata/RHSA-2013-0532.html
This issue has been addressed in following products: Supplementary for Red Hat Enterprise Linux 5 Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2013:0531 https://rhn.redhat.com/errata/RHSA-2013-0531.html
Fixed in upstream IcedTea versions IcedTea6 1.11.8, and 1.12.3, and IcedTea7 2.1.6, 2.2.6, and 2.3.7: http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2013-February/021998.html http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2013-February/022040.html
This issue has been addressed in following products: Supplementary for Red Hat Enterprise Linux 5 Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2013:0624 https://rhn.redhat.com/errata/RHSA-2013-0624.html
This issue has been addressed in following products: Supplementary for Red Hat Enterprise Linux 5 Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2013:0626 https://rhn.redhat.com/errata/RHSA-2013-0626.html
This issue has been addressed in following products: Supplementary for Red Hat Enterprise Linux 5 Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2013:0625 https://rhn.redhat.com/errata/RHSA-2013-0625.html
This issue has been addressed in following products: Red Hat Network Satellite Server v 5.5 Via RHSA-2013:1456 https://rhn.redhat.com/errata/RHSA-2013-1456.html
This issue has been addressed in following products: Red Hat Network Satellite Server v 5.4 Via RHSA-2013:1455 https://rhn.redhat.com/errata/RHSA-2013-1455.html