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Red Hat Security Advisory 2016-0540-01

Red Hat Security Advisory 2016-0540-01
Posted Mar 30, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-0540-01 - Red Hat JBoss BRMS is a business rules management system for the management, storage, creation, modification, and deployment of JBoss Rules. This release of Red Hat JBoss BRMS 6.2.2 serves as a replacement for Red Hat JBoss BRMS 6.2.1, and includes bug fixes and enhancements, which are documented in the README.txt file included with the patch files. Security Fix: A deserialization flaw allowing remote code execution was found in the BeanShell library. If BeanShell was on the classpath, it could permit code execution if another part of the application deserialized 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 BeanShell library.

tags | advisory, remote, arbitrary, code execution
systems | linux, redhat
advisories | CVE-2016-2510
MD5 | f2dc4bca3037500239a1bc5e582add50

Red Hat Security Advisory 2016-0540-01

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

Synopsis: Important: Red Hat JBoss BRMS 6.2.2 update
Advisory ID: RHSA-2016:0540-01
Product: Red Hat JBoss BRMS
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0540.html
Issue date: 2016-03-30
CVE Names: CVE-2016-2510
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss BRMS.

Red Hat Product Security has rated this update as having a security impact
of Important. 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 release of Red Hat JBoss BRMS 6.2.2 serves as a replacement for Red
Hat JBoss BRMS 6.2.1, and includes bug fixes and enhancements, which are
documented in the README.txt file included with the patch files.

Security Fix(es):

* A deserialization flaw allowing remote code execution was found in the
BeanShell library. If BeanShell was on the classpath, it could permit code
execution if another part of the application deserialized 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 BeanShell library. (CVE-2016-2510)

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/):

1310647 - CVE-2016-2510 bsh2: remote code execution via deserialization

5. References:

https://access.redhat.com/security/cve/CVE-2016-2510
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=brms&downloadType=securityPatches&version=6.2.0

6. Contact:

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

Copyright 2016 Red Hat, Inc.
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