ESB-2018.3558 - [RedHat] Red Hat JBoss BRMS: Execute arbitrary code/commands - Remote/unauthenticated 2018-11-14

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3558
                 Red Hat JBoss BRMS 5.3.1 security update
                             14 November 2018

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

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

Product:           Red Hat JBoss BRMS
Publisher:         Red Hat
Operating System:  Red Hat
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-14667  

Reference:         ESB-2018.3475
                   ESB-2018.3492.2

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2018:3581

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

Synopsis:          Critical: Red Hat JBoss BRMS 5.3.1 security update
Advisory ID:       RHSA-2018:3581-01
Product:           Red Hat Decision Manager
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:3581
Issue date:        2018-11-13
CVE Names:         CVE-2018-14667 
=====================================================================

1. Summary:

A security update is now available for Red Hat JBoss BRMS 5.3.1.

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 BRMS is a business rules management system for the
management, storage, creation, modification, and deployment of JBoss Rules.

This asynchronous patch is a security update for the RichFaces package in
standalone versions of Red Hat JBoss BRMS 5.3.1.

Security Fix(es):

* RichFaces: Expression Language injection via UserResource allows for
unauthenticated remote code execution (CVE-2018-14667)

See https://access.redhat.com/solutions/3660371 for specific information
regarding this flaw.

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Joao Filho Matos Figueiredo for reporting this
issue.

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 Red Hat JBoss BRMS installation (including its databases,
applications, configuration files, and so on).

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

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

1639139 - CVE-2018-14667 RichFaces: Expression Language injection via UserResource allows for unauthenticated remote code execution

5. References:

https://access.redhat.com/security/cve/CVE-2018-14667
https://access.redhat.com/security/updates/classification/#critical
https://access.redhat.com/solutions/3660371
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=brms&downloadType=securityPatches&version=5.3.1

6. Contact:

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

Copyright 2018 Red Hat, Inc.
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