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                   Red Hat Security Advisory

Synopsis:          Critical: Red Hat JBoss BPM Suite 6.1.0 commons-collections security update
Advisory ID:       RHSA-2015:2579-01
Product:           Red Hat JBoss BPM Suite
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2015-2579.html
Issue date:        2015-12-08
CVE Names:         CVE-2015-7501 
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1. Summary:

An update for the Apache Commons Collections component that fixes one
security issue is now available from the Red Hat Customer Portal for Red
Hat JBoss BPM Suite 6.1.0.

Red Hat Product Security 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. Description:

Apache Commons Collections is a library built upon Java JDK classes by
providing new interfaces, implementations and utilities.

It was found that the Apache commons-collections library permitted code
execution when deserializing objects involving a specially constructed
chain of classes. A remote attacker could use this flaw to execute
arbitrary code with the permissions of the application using the
commons-collections library. (CVE-2015-7501)

Further information about this security flaw may be found at:
https://access.redhat.com/solutions/2045023

All users of Red Hat JBoss BPM Suite 6.1.0 as provided from the Red Hat
Customer Portal are advised to apply this security update.

3. Solution:

The References section of this erratum contains a download link (you must
log in to download the updates). Before applying the updates, 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, and then after installing
the update, restart the server by starting the JBoss Application Server
process.

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

1279330 - CVE-2015-7501 apache-commons-collections: InvokerTransformer code execution during deserialisation

5. References:

https://access.redhat.com/security/cve/CVE-2015-7501
https://access.redhat.com/security/updates/classification/#critical
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=bpm.suite&downloadType=securityPatches&version=6.1.0
https://access.redhat.com/solutions/2045023

6. Contact:

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

Copyright 2015 Red Hat, Inc.
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