Critical: java-1.7.0-openjdk security update
Security Advisory: Critical
Updated java-1.7.0-openjdk packages that fix two security issues are now
available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having critical
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
These packages provide the OpenJDK 7 Java Runtime Environment and the
OpenJDK 7 Software Development Kit.
An integer overflow flaw was found in the way the 2D component handled
certain sample model instances. A specially-crafted sample model instance
could cause Java Virtual Machine memory corruption and, possibly, lead to
arbitrary code execution with virtual machine privileges. (CVE-2013-0809)
It was discovered that the 2D component did not properly reject certain
malformed images. Specially-crafted raster parameters could cause Java
Virtual Machine memory corruption and, possibly, lead to arbitrary code
execution with virtual machine privileges. (CVE-2013-1493)
Note: If the web browser plug-in provided by the icedtea-web package was
installed, the issues exposed via Java applets could have been exploited
without user interaction if a user visited a malicious website.
This erratum also upgrades the OpenJDK package to IcedTea7 2.3.8. Refer to
the NEWS file, linked to in the References, for further information.
All users of java-1.7.0-openjdk are advised to upgrade to these updated
packages, which resolve these issues. All running instances of OpenJDK Java
must be restarted for the update to take effect.
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258
Vulmon