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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: java-1.6.0-openjdk security update
Advisory ID:       RHSA-2011:0857-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-0857.html
Issue date:        2011-06-08
CVE Names:         CVE-2011-0862 CVE-2011-0864 CVE-2011-0865 
                   CVE-2011-0867 CVE-2011-0868 CVE-2011-0869 
                   CVE-2011-0871 
=====================================================================

1. Summary:

Updated java-1.6.0-openjdk packages that fix several security issues are
now available for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having
important 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux (v. 5 server) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

3. Description:

These packages provide the OpenJDK 6 Java Runtime Environment and the
OpenJDK 6 Software Development Kit.

Integer overflow flaws were found in the way Java2D parsed JPEG images and
user-supplied fonts. An attacker could use these flaws to execute arbitrary
code with the privileges of the user running an untrusted applet or
application. (CVE-2011-0862)

It was found that the MediaTracker implementation created Component
instances with unnecessary access privileges. A remote attacker could use
this flaw to elevate their privileges by utilizing an untrusted applet or
application that uses Swing. (CVE-2011-0871)

A flaw was found in the HotSpot component in OpenJDK. Certain bytecode
instructions confused the memory management within the Java Virtual Machine
(JVM), resulting in an applet or application crashing. (CVE-2011-0864)

An information leak flaw was found in the NetworkInterface class. An
untrusted applet or application could use this flaw to access information
about available network interfaces that should only be available to
privileged code. (CVE-2011-0867)

An incorrect float-to-long conversion, leading to an overflow, was found
in the way certain objects (such as images and text) were transformed in
Java2D. A remote attacker could use this flaw to crash an untrusted applet
or application that uses Java2D. (CVE-2011-0868)

It was found that untrusted applets and applications could misuse a SOAP
connection to incorrectly set global HTTP proxy settings instead of
setting them in a local scope. This flaw could be used to intercept HTTP
requests. (CVE-2011-0869)

A flaw was found in the way signed objects were deserialized. If trusted
and untrusted code were running in the same Java Virtual Machine (JVM), and
both were deserializing the same signed object, the untrusted code could
modify said object by using this flaw to bypass the validation checks on
signed objects. (CVE-2011-0865)

Note: All of the above flaws can only be remotely triggered in OpenJDK by
calling the "appletviewer" application.

All users of java-1.6.0-openjdk are advised to upgrade to these updated
packages, which provide OpenJDK 6 b20 / IcedTea 1.9.8 and resolve these
issues. All running instances of OpenJDK Java must be restarted for the
update to take effect.

4. Solution:

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/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

706106 - CVE-2011-0865 OpenJDK: Deserialization allows creation of mutable SignedObject (Deserialization, 6618658)
706139 - CVE-2011-0862 OpenJDK: integer overflows in JPEGImageReader and font SunLayoutEngine (2D, 7013519)
706153 - CVE-2011-0867 OpenJDK: NetworkInterface information leak (Networking, 7013969)
706234 - CVE-2011-0869 OpenJDK: unprivileged proxy settings change via SOAPConnection (SAAJ, 7013971)
706241 - CVE-2011-0868 OpenJDK: incorrect numeric type conversion in TransformHelper (2D, 7016495)
706245 - CVE-2011-0864 OpenJDK: JVM memory corruption via certain bytecode (HotSpot, 7020373)
706248 - CVE-2011-0871 OpenJDK: MediaTracker created Component instances with unnecessary privileges (Swing, 7020198)

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/java-1.6.0-openjdk-1.6.0.0-1.22.1.9.8.el5_6.src.rpm

i386:
java-1.6.0-openjdk-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm
java-1.6.0-openjdk-debuginfo-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm
java-1.6.0-openjdk-demo-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm
java-1.6.0-openjdk-devel-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm
java-1.6.0-openjdk-javadoc-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm
java-1.6.0-openjdk-src-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm

x86_64:
java-1.6.0-openjdk-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm
java-1.6.0-openjdk-debuginfo-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm
java-1.6.0-openjdk-demo-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm
java-1.6.0-openjdk-devel-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm
java-1.6.0-openjdk-javadoc-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm
java-1.6.0-openjdk-src-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/java-1.6.0-openjdk-1.6.0.0-1.22.1.9.8.el5_6.src.rpm

i386:
java-1.6.0-openjdk-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm
java-1.6.0-openjdk-debuginfo-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm
java-1.6.0-openjdk-demo-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm
java-1.6.0-openjdk-devel-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm
java-1.6.0-openjdk-javadoc-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm
java-1.6.0-openjdk-src-1.6.0.0-1.22.1.9.8.el5_6.i386.rpm

x86_64:
java-1.6.0-openjdk-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm
java-1.6.0-openjdk-debuginfo-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm
java-1.6.0-openjdk-demo-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm
java-1.6.0-openjdk-devel-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm
java-1.6.0-openjdk-javadoc-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm
java-1.6.0-openjdk-src-1.6.0.0-1.22.1.9.8.el5_6.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-0862.html
https://www.redhat.com/security/data/cve/CVE-2011-0864.html
https://www.redhat.com/security/data/cve/CVE-2011-0865.html
https://www.redhat.com/security/data/cve/CVE-2011-0867.html
https://www.redhat.com/security/data/cve/CVE-2011-0868.html
https://www.redhat.com/security/data/cve/CVE-2011-0869.html
https://www.redhat.com/security/data/cve/CVE-2011-0871.html
https://access.redhat.com/security/updates/classification/#important
http://www.oracle.com/technetwork/topics/security/javacpujune2011-313339.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2011 Red Hat, Inc.
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