[RHSA-2016:1374-01] Critical: Red Hat JBoss Portal 6.2.0 security update

[bugzilla at redhat.com]

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                   Red Hat Security Advisory

Synopsis:          Critical: Red Hat JBoss Portal 6.2.0 security update
Advisory ID:       RHSA-2016:1374-01
Product:           Red Hat JBoss Portal
Advisory URL:      https://access.redhat.com/errata/RHSA-2016:1374
Issue date:        2016-06-29
CVE Names:         CVE-2016-2141 
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1. Summary:

A security update is now available for Red Hat JBoss Portal Platform from
the Customer Portal.

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:

JBoss Portal Platform provides an integrated open source platform for
hosting and serving a portal's web interface, aggregating, publishing, and
managing its content, and personalizing its experience.

This asynchronous patch is a security update for JGroups package in Red Hat
JBoss Portal Platform 6.2. More information about this vulnerability is
available at: https://access.redhat.com/articles/2360521

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)

The CVE-2016-2141 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 all
applications deployed on JBoss Enterprise Portal Platform, along with all
customized configuration files, and any databases and database settings.

The JBoss server process must be restarted for the update to take effect.

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=jbportal&downloadType=securityPatches&version=6.2.0
https://access.redhat.com/documentation/en-US/Red_Hat_JBoss_Portal/

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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