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

Synopsis:          Important: java-1.6.0-openjdk security update
Advisory ID:       RHSA-2012:0322-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2012-0322.html
Issue date:        2012-02-21
CVE Names:         CVE-2011-3563 CVE-2011-3571 CVE-2011-5035 
                   CVE-2012-0497 CVE-2012-0501 CVE-2012-0502 
                   CVE-2012-0503 CVE-2012-0505 CVE-2012-0506 
=====================================================================

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.

It was discovered that Java2D did not properly check graphics rendering
objects before passing them to the native renderer. Malicious input, or an
untrusted Java application or applet could use this flaw to crash the Java
Virtual Machine (JVM), or bypass Java sandbox restrictions. (CVE-2012-0497)

It was discovered that the exception thrown on deserialization failure did
not always contain a proper identification of the cause of the failure. An
untrusted Java application or applet could use this flaw to bypass Java
sandbox restrictions. (CVE-2012-0505)

The AtomicReferenceArray class implementation did not properly check if
the array was of the expected Object[] type. A malicious Java application
or applet could use this flaw to bypass Java sandbox restrictions.
(CVE-2011-3571)

It was discovered that the use of TimeZone.setDefault() was not restricted
by the SecurityManager, allowing an untrusted Java application or applet to
set a new default time zone, and hence bypass Java sandbox restrictions.
(CVE-2012-0503)

The HttpServer class did not limit the number of headers read from HTTP
requests. A remote attacker could use this flaw to make an application
using HttpServer use an excessive amount of CPU time via a
specially-crafted request. This update introduces a header count limit
controlled using the sun.net.httpserver.maxReqHeaders property. The default
value is 200. (CVE-2011-5035)

The Java Sound component did not properly check buffer boundaries.
Malicious input, or an untrusted Java application or applet could use this
flaw to cause the Java Virtual Machine (JVM) to crash or disclose a portion
of its memory. (CVE-2011-3563)

A flaw was found in the AWT KeyboardFocusManager that could allow an
untrusted Java application or applet to acquire keyboard focus and possibly
steal sensitive information. (CVE-2012-0502)

It was discovered that the CORBA (Common Object Request Broker
Architecture) implementation in Java did not properly protect repository
identifiers on certain CORBA objects. This could have been used to modify
immutable object data. (CVE-2012-0506)

An off-by-one flaw, causing a stack overflow, was found in the unpacker for
ZIP files. A specially-crafted ZIP archive could cause the Java Virtual
Machine (JVM) to crash when opened. (CVE-2012-0501)

This erratum also upgrades the OpenJDK package to IcedTea6 1.10.6. Refer to
the NEWS file, linked to in the References, for further information.

All users of java-1.6.0-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.

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/):

788606 - CVE-2011-5035 OpenJDK: HttpServer no header count limit (Lightweight HTTP Server, 7126960)
788624 - CVE-2012-0501 OpenJDK: off-by-one bug in ZIP reading code (JRE, 7118283)
788976 - CVE-2012-0503 OpenJDK: unrestricted use of TimeZone.setDefault() (i18n, 7110687)
788994 - CVE-2011-3571 OpenJDK: AtomicReferenceArray insufficient array type check (Concurrency, 7082299)
789295 - CVE-2011-3563 OpenJDK: JavaSound incorrect bounds check (Sound, 7088367)
789297 - CVE-2012-0502 OpenJDK: KeyboardFocusManager focus stealing (AWT, 7110683)
789299 - CVE-2012-0505 OpenJDK: incomplete info in the deserialization exception (Serialization, 7110700)
789300 - CVE-2012-0506 OpenJDK: mutable repository identifiers (CORBA, 7110704)
789301 - CVE-2012-0497 OpenJDK: insufficient checking of the graphics rendering object (2D, 7112642)

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-1.6.0.0-1.25.1.10.6.el5_8.src.rpm

i386:
java-1.6.0-openjdk-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm
java-1.6.0-openjdk-debuginfo-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm
java-1.6.0-openjdk-demo-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm
java-1.6.0-openjdk-devel-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm
java-1.6.0-openjdk-javadoc-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm
java-1.6.0-openjdk-src-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm

x86_64:
java-1.6.0-openjdk-1.6.0.0-1.25.1.10.6.el5_8.x86_64.rpm
java-1.6.0-openjdk-debuginfo-1.6.0.0-1.25.1.10.6.el5_8.x86_64.rpm
java-1.6.0-openjdk-demo-1.6.0.0-1.25.1.10.6.el5_8.x86_64.rpm
java-1.6.0-openjdk-devel-1.6.0.0-1.25.1.10.6.el5_8.x86_64.rpm
java-1.6.0-openjdk-javadoc-1.6.0.0-1.25.1.10.6.el5_8.x86_64.rpm
java-1.6.0-openjdk-src-1.6.0.0-1.25.1.10.6.el5_8.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-1.6.0.0-1.25.1.10.6.el5_8.src.rpm

i386:
java-1.6.0-openjdk-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm
java-1.6.0-openjdk-debuginfo-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm
java-1.6.0-openjdk-demo-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm
java-1.6.0-openjdk-devel-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm
java-1.6.0-openjdk-javadoc-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm
java-1.6.0-openjdk-src-1.6.0.0-1.25.1.10.6.el5_8.i386.rpm

x86_64:
java-1.6.0-openjdk-1.6.0.0-1.25.1.10.6.el5_8.x86_64.rpm
java-1.6.0-openjdk-debuginfo-1.6.0.0-1.25.1.10.6.el5_8.x86_64.rpm
java-1.6.0-openjdk-demo-1.6.0.0-1.25.1.10.6.el5_8.x86_64.rpm
java-1.6.0-openjdk-devel-1.6.0.0-1.25.1.10.6.el5_8.x86_64.rpm
java-1.6.0-openjdk-javadoc-1.6.0.0-1.25.1.10.6.el5_8.x86_64.rpm
java-1.6.0-openjdk-src-1.6.0.0-1.25.1.10.6.el5_8.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-2011-3563.html
https://www.redhat.com/security/data/cve/CVE-2011-3571.html
https://www.redhat.com/security/data/cve/CVE-2011-5035.html
https://www.redhat.com/security/data/cve/CVE-2012-0497.html
https://www.redhat.com/security/data/cve/CVE-2012-0501.html
https://www.redhat.com/security/data/cve/CVE-2012-0502.html
https://www.redhat.com/security/data/cve/CVE-2012-0503.html
https://www.redhat.com/security/data/cve/CVE-2012-0505.html
https://www.redhat.com/security/data/cve/CVE-2012-0506.html
https://access.redhat.com/security/updates/classification/#important
http://icedtea.classpath.org/hg/release/icedtea6-1.10/file/icedtea6-1.10.6/NEWS
http://www.oracle.com/technetwork/topics/security/javacpufeb2012-366318.html

8. Contact:

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

Copyright 2012 Red Hat, Inc.
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