Updated icedtea-web packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having critical security impact. A Common Vulnerability Scoring System (CVSS) base score,

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

Synopsis:          Critical: icedtea-web security update
Advisory ID:       RHSA-2012:1434-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2012:1434.html
Issue date:        2012-11-07
CVE Names:         CVE-2012-4540 
====================================================================
1. Summary:

Updated icedtea-web packages that fix one security issue are now available
for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having critical
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

The IcedTea-Web project provides a Java web browser plug-in and an
implementation of Java Web Start, which is based on the Netx project. It
also contains a configuration tool for managing deployment settings for the
plug-in and Web Start implementations.

A buffer overflow flaw was found in the IcedTea-Web plug-in. Visiting a
malicious web page could cause a web browser using the IcedTea-Web plug-in
to crash or, possibly, execute arbitrary code. (CVE-2012-4540)

Red Hat would like to thank Arthur Gerkis for reporting this issue.

This erratum also upgrades IcedTea-Web to version 1.2.2. Refer to the NEWS
file, linked to in the References, for further information.

All IcedTea-Web users should upgrade to these updated packages, which
resolve this issue. Web browsers using the IcedTea-Web browser plug-in must
be restarted for this 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/knowledge/articles/11258

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

869040 - CVE-2012-4540 icedtea-web: IcedTeaScriptableJavaObject::invoke off-by-one heap-based buffer overflow

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:

i386:
icedtea-web-1.2.2-1.el6_3.i686.rpm
icedtea-web-debuginfo-1.2.2-1.el6_3.i686.rpm

x86_64:
icedtea-web-1.2.2-1.el6_3.x86_64.rpm
icedtea-web-debuginfo-1.2.2-1.el6_3.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:

i386:
icedtea-web-debuginfo-1.2.2-1.el6_3.i686.rpm
icedtea-web-javadoc-1.2.2-1.el6_3.i686.rpm

x86_64:
icedtea-web-debuginfo-1.2.2-1.el6_3.x86_64.rpm
icedtea-web-javadoc-1.2.2-1.el6_3.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:

x86_64:
icedtea-web-1.2.2-1.el6_3.x86_64.rpm
icedtea-web-debuginfo-1.2.2-1.el6_3.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:

x86_64:
icedtea-web-debuginfo-1.2.2-1.el6_3.x86_64.rpm
icedtea-web-javadoc-1.2.2-1.el6_3.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:

i386:
icedtea-web-1.2.2-1.el6_3.i686.rpm
icedtea-web-debuginfo-1.2.2-1.el6_3.i686.rpm

x86_64:
icedtea-web-1.2.2-1.el6_3.x86_64.rpm
icedtea-web-debuginfo-1.2.2-1.el6_3.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:

i386:
icedtea-web-debuginfo-1.2.2-1.el6_3.i686.rpm
icedtea-web-javadoc-1.2.2-1.el6_3.i686.rpm

x86_64:
icedtea-web-debuginfo-1.2.2-1.el6_3.x86_64.rpm
icedtea-web-javadoc-1.2.2-1.el6_3.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:

i386:
icedtea-web-1.2.2-1.el6_3.i686.rpm
icedtea-web-debuginfo-1.2.2-1.el6_3.i686.rpm

x86_64:
icedtea-web-1.2.2-1.el6_3.x86_64.rpm
icedtea-web-debuginfo-1.2.2-1.el6_3.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:

i386:
icedtea-web-debuginfo-1.2.2-1.el6_3.i686.rpm
icedtea-web-javadoc-1.2.2-1.el6_3.i686.rpm

x86_64:
icedtea-web-debuginfo-1.2.2-1.el6_3.x86_64.rpm
icedtea-web-javadoc-1.2.2-1.el6_3.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://access.redhat.com/security/cve/CVE-2012-4540
https://access.redhat.com/security/updates/classification/#critical

8. Contact:

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

Copyright 2012 Red Hat, Inc.
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