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

Synopsis:          Critical: java-1.8.0-openjdk security update
Advisory ID:       RHSA-2016:0650-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-0650.html
Issue date:        2016-04-20
CVE Names:         CVE-2016-0686 CVE-2016-0687 CVE-2016-0695 
                   CVE-2016-3425 CVE-2016-3426 CVE-2016-3427 
=====================================================================

1. Summary:

An update for java-1.8.0-openjdk is now available for Red Hat Enterprise
Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Critical. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64

3. Description:

The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime
Environment and the OpenJDK 8 Java Software Development Kit.

Security Fix(es):

* Multiple flaws were discovered in the Serialization and Hotspot
components in OpenJDK. An untrusted Java application or applet could use
these flaws to completely bypass Java sandbox restrictions. (CVE-2016-0686,
CVE-2016-0687)

* It was discovered that the RMI server implementation in the JMX component
in OpenJDK did not restrict which classes can be deserialized when
deserializing authentication credentials. A remote, unauthenticated
attacker able to connect to a JMX port could possibly use this flaw to
trigger deserialization flaws. (CVE-2016-3427)

* It was discovered that the JAXP component in OpenJDK failed to properly
handle Unicode surrogate pairs used as part of the XML attribute values.
Specially crafted XML input could cause a Java application to use an
excessive amount of memory when parsed. (CVE-2016-3425)

* It was discovered that the GCM (Galois/Counter Mode) implementation in
the JCE component in OpenJDK used a non-constant time comparison when
comparing GCM authentication tags. A remote attacker could possibly use
this flaw to determine the value of the authentication tag. (CVE-2016-3426)

* It was discovered that the Security component in OpenJDK failed to check
the digest algorithm strength when generating DSA signatures. The use of a
digest weaker than the key strength could lead to the generation of
signatures that were weaker than expected. (CVE-2016-0695)

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.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of OpenJDK Java must be restarted for this update to
take effect.

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

1327743 - CVE-2016-0686 OpenJDK: insufficient thread consistency checks in ObjectInputStream (Serialization, 8129952)
1327749 - CVE-2016-0687 OpenJDK: insufficient byte type checks (Hotspot, 8132051)
1328022 - CVE-2016-0695 OpenJDK: insufficient DSA key parameters checks (Security, 8138593)
1328040 - CVE-2016-3425 OpenJDK: incorrect handling of surrogate pairs in XML attribute values (JAXP, 8143167)
1328059 - CVE-2016-3426 OpenJDK: non-constant time GCM authentication tag comparison (JCE, 8143945)
1328210 - CVE-2016-3427 OpenJDK: unrestricted deserialization of authentication credentials (JMX, 8144430)

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.src.rpm

x86_64:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-headless-1.8.0.91-0.b14.el7_2.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

noarch:
java-1.8.0-openjdk-javadoc-1.8.0.91-0.b14.el7_2.noarch.rpm
java-1.8.0-openjdk-javadoc-debug-1.8.0.91-0.b14.el7_2.noarch.rpm

x86_64:
java-1.8.0-openjdk-accessibility-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-accessibility-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-demo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-demo-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-devel-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-devel-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-headless-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-src-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-src-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.src.rpm

x86_64:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-headless-1.8.0.91-0.b14.el7_2.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

noarch:
java-1.8.0-openjdk-javadoc-1.8.0.91-0.b14.el7_2.noarch.rpm
java-1.8.0-openjdk-javadoc-debug-1.8.0.91-0.b14.el7_2.noarch.rpm

x86_64:
java-1.8.0-openjdk-accessibility-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-accessibility-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-demo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-demo-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-devel-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-devel-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-headless-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-src-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-src-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.src.rpm

ppc64:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.ppc64.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.ppc64.rpm
java-1.8.0-openjdk-devel-1.8.0.91-0.b14.el7_2.ppc64.rpm
java-1.8.0-openjdk-headless-1.8.0.91-0.b14.el7_2.ppc64.rpm

ppc64le:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.ppc64le.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.ppc64le.rpm
java-1.8.0-openjdk-devel-1.8.0.91-0.b14.el7_2.ppc64le.rpm
java-1.8.0-openjdk-headless-1.8.0.91-0.b14.el7_2.ppc64le.rpm

s390x:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.s390x.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.s390x.rpm
java-1.8.0-openjdk-devel-1.8.0.91-0.b14.el7_2.s390x.rpm
java-1.8.0-openjdk-headless-1.8.0.91-0.b14.el7_2.s390x.rpm

x86_64:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-devel-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-headless-1.8.0.91-0.b14.el7_2.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

noarch:
java-1.8.0-openjdk-javadoc-1.8.0.91-0.b14.el7_2.noarch.rpm
java-1.8.0-openjdk-javadoc-debug-1.8.0.91-0.b14.el7_2.noarch.rpm

ppc64:
java-1.8.0-openjdk-accessibility-1.8.0.91-0.b14.el7_2.ppc64.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.ppc64.rpm
java-1.8.0-openjdk-demo-1.8.0.91-0.b14.el7_2.ppc64.rpm
java-1.8.0-openjdk-src-1.8.0.91-0.b14.el7_2.ppc64.rpm

ppc64le:
java-1.8.0-openjdk-accessibility-1.8.0.91-0.b14.el7_2.ppc64le.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.ppc64le.rpm
java-1.8.0-openjdk-demo-1.8.0.91-0.b14.el7_2.ppc64le.rpm
java-1.8.0-openjdk-src-1.8.0.91-0.b14.el7_2.ppc64le.rpm

s390x:
java-1.8.0-openjdk-accessibility-1.8.0.91-0.b14.el7_2.s390x.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.s390x.rpm
java-1.8.0-openjdk-demo-1.8.0.91-0.b14.el7_2.s390x.rpm
java-1.8.0-openjdk-src-1.8.0.91-0.b14.el7_2.s390x.rpm

x86_64:
java-1.8.0-openjdk-accessibility-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-accessibility-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-demo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-demo-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-devel-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-src-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-src-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.src.rpm

x86_64:
java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-devel-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-headless-1.8.0.91-0.b14.el7_2.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

noarch:
java-1.8.0-openjdk-javadoc-1.8.0.91-0.b14.el7_2.noarch.rpm
java-1.8.0-openjdk-javadoc-debug-1.8.0.91-0.b14.el7_2.noarch.rpm

x86_64:
java-1.8.0-openjdk-accessibility-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-accessibility-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-debuginfo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-demo-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-demo-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-devel-debug-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-src-1.8.0.91-0.b14.el7_2.x86_64.rpm
java-1.8.0-openjdk-src-debug-1.8.0.91-0.b14.el7_2.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/

7. References:

https://access.redhat.com/security/cve/CVE-2016-0686
https://access.redhat.com/security/cve/CVE-2016-0687
https://access.redhat.com/security/cve/CVE-2016-0695
https://access.redhat.com/security/cve/CVE-2016-3425
https://access.redhat.com/security/cve/CVE-2016-3426
https://access.redhat.com/security/cve/CVE-2016-3427
https://access.redhat.com/security/updates/classification/#critical

8. Contact:

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

Copyright 2016 Red Hat, Inc.
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