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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.1692
        Critical: Red Hat JBoss Fuse Service Works security update
                                8 July 2016

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Red Hat JBoss Fuse Service Works
Publisher:         Red Hat
Operating System:  Red Hat
                   Windows
Impact/Access:     Provide Misleading Information -- Remote/Unauthenticated
                   Access Confidential Data       -- Remote/Unauthenticated
                   Reduced Security               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-2141  

Reference:         ESB-2016.1591

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2016:1389

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                   Red Hat Security Advisory

Synopsis:          Critical: Red Hat JBoss Fuse Service Works security update
Advisory ID:       RHSA-2016:1389-01
Product:           Red Hat JBoss Fuse Service Works
Advisory URL:      https://access.redhat.com/errata/RHSA-2016:1389
Issue date:        2016-07-07
CVE Names:         CVE-2016-2141 
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss Fuse Service Works.

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. Description:

Red Hat JBoss Fuse Service Works is the next-generation ESB and business
process automation infrastructure.

Security Fix(es):

* It was found that JGroups did not require necessary headers for encrypt
and auth protocols from new nodes joining the cluster. An attacker could
use this flaw to bypass security restrictions, and use this vulnerability
to send and receive messages within the cluster, leading to information
disclosure, message spoofing, or further possible attacks. (CVE-2016-2141)

This issue was discovered by Dennis Reed (Red Hat).

3. Solution:

The References section of this erratum contains a download link (you must
log in to download the update). Before applying the update, back up your
existing installation, including all applications, configuration files,
databases and database settings, and so on.

It is recommended to halt the server by stopping the JBoss Application
Server process before installing this update; after installing the update,
restart the server by starting the JBoss Application Server process.

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

1313589 - CVE-2016-2141 Authorization bypass in JGroups

5. References:

https://access.redhat.com/security/cve/CVE-2016-2141
https://access.redhat.com/security/updates/classification/#critical
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=jboss.fuse.serviceworks&downloadType=securityPatches&version=6.0.0
https://access.redhat.com/articles/2360521

6. 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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