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

Synopsis:          Important: commons-fileupload security update
Advisory ID:       RHSA-2013:1430-01
Product:           Red Hat JBoss Middleware
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2013-1430.html
Issue date:        2013-10-15
CVE Names:         CVE-2013-2186 
=====================================================================

1. Summary:

An update for the commons-fileupload component that fixes one security
issue is now available from the Red Hat Customer Portal for Red Hat JBoss
BRMS 5.3.1; and Red Hat JBoss Portal 4.3 CP07, 5.2.2 and 6.0.0.

The Red Hat Security Response Team has rated this update as having
important 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:

The Apache Commons FileUpload component can be used to add a file upload
capability to your applications.

A flaw was found in the way the DiskFileItem class handled NULL characters
in file names. A remote attacker able to supply a serialized instance of
the DiskFileItem class, which will be deserialized on a server, could use
this flaw to write arbitrary content to any location on the server that is
accessible to the user running the application server process.
(CVE-2013-2186)

All users of the affected products as provided from the Red Hat Customer
Portal are advised to apply this update.

3. Solution:

The References section of this erratum contains download links (you must
log in to download the update). Before applying this update, back up your
existing Red Hat JBoss BRMS installation (including all applications and
configuration files). For Red Hat JBoss Portal, back up all deployed
applications, along with all customized configuration files, and any
databases and database settings.

Note that it is recommended to halt the JBoss Enterprise BRMS Platform
server and the Red Hat JBoss Portal server by stopping the JBoss
Application Server process before installing this update, and then after
installing the update, restart the JBoss Enterprise BRMS Platform server by
starting the JBoss Application Server process.

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

974814 - CVE-2013-2186 Apache commons-fileupload: Arbitrary file upload via deserialization

5. References:

https://www.redhat.com/security/data/cve/CVE-2013-2186.html
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=brms&downloadType=securityPatches&version=5.3.1
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=jbportal&downloadType=securityPatches&version=4.3+CP07
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=jbportal&downloadType=securityPatches&version=5.2.2
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=jbportal&downloadType=securityPatches&version=6.0.0

6. Contact:

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

Copyright 2013 Red Hat, Inc.
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