[RHSA-2016:1347-01] Critical: Red Hat JBoss BPM Suite security update

[bugzilla at redhat.com]

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                   Red Hat Security Advisory

Synopsis:          Critical: Red Hat JBoss BPM Suite security update
Advisory ID:       RHSA-2016:1347-01
Product:           Red Hat JBoss BPM Suite
Advisory URL:      https://access.redhat.com/errata/RHSA-2016:1347
Issue date:        2016-06-27
CVE Names:         CVE-2016-2141 
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1. Summary:

An update is now available for Red Hat JBoss BPM Suite.

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 BPM Suite is a business rules and processes management system
for the management, storage, creation, modification, and deployment of
JBoss rules and BPMN2-compliant business processes.

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=bpm.suite&downloadType=securityPatches&version=6.3
https://access.redhat.com/articles/2360521

6. Contact:

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

Copyright 2016 Red Hat, Inc.
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