It was discovered that AWT component in the OpenJDK did not properly check privileges of the code. An untrusted Java application or applet could use this flaw to bypass Java sandbox restrictions. External Reference: http://www.oracle.com/technetwork/topics/security/javacpufeb2013-1841061.html
Upstream commit, as included in IcedTea7 repositories: http://icedtea.classpath.org/hg/release/icedtea7-forest-2.3/jdk/rev/6527ae06da69 (Includes fix for both CVE-2013-0445 (bug 906900) and CVE-2013-0442 (bug 906899))
This issue has been addressed in following products: Supplementary for Red Hat Enterprise Linux 5 Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2013:0237 https://rhn.redhat.com/errata/RHSA-2013-0237.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-2013:0236 https://rhn.redhat.com/errata/RHSA-2013-0236.html
This issue has been addressed in following products: Red Hat Enterprise Linux 5 Via RHSA-2013:0246 https://rhn.redhat.com/errata/RHSA-2013-0246.html
This issue has been addressed in following products: Red Hat Enterprise Linux 5 Red Hat Enterprise Linux 6 Via RHSA-2013:0247 https://rhn.redhat.com/errata/RHSA-2013-0247.html
This issue has been addressed in following products: Red Hat Enterprise Linux 6 Via RHSA-2013:0245 https://rhn.redhat.com/errata/RHSA-2013-0245.html
Fixed in upstream IcedTea versions IcedTea6 1.11.6, and 1.12.1, and IcedTea7 2.1.5, 2.2.5, and 2.3.6: http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2013-February/021708.html http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2013-February/021728.html http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2013-February/021905.html http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2013-February/021876.html Note that version 2.3.5 was tagged in upstream mercurial including the security fixes, but was not released. Only 2.3.6 was released, correcting problem introduced by security patches as included in 2.3.5.
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