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Category:   Application (Web Server/CGI)  >   Red Hat JBoss Vendors:   Red Hat
Red Hat JBoss Deserialization Bug in BeanShell Library Lets Remote Users Execute Arbitrary Code on the Target System
SecurityTracker Alert ID:  1035440
SecurityTracker URL:  http://securitytracker.com/id/1035440
CVE Reference:   CVE-2016-2510   (Links to External Site)
Date:  Mar 31 2016
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Red Hat JBoss. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to trigger a deserialization flaw in the BeanShell library component and potentially execute arbitrary code on the target system. The code will run with the privileges of the target application using the BeanShell library.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   Red Hat has issued a fix.

The Red Hat advisories are available at:

https://rhn.redhat.com/errata/RHSA-2016-0539.html
https://rhn.redhat.com/errata/RHSA-2016-0540.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2016-0539.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Red Hat Enterprise)

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 27 2016 (Red Hat Issues Fix for Red Hat JBoss Data Virtualization) Red Hat JBoss Deserialization Bug in BeanShell Library Lets Remote Users Execute Arbitrary Code on the Target System
Red Hat has issued a fix for Red Hat JBoss Data Virtualization.
Jul 1 2016 (Red Hat Issues Fix) Red Hat JBoss Deserialization Bug in BeanShell Library Lets Remote Users Execute Arbitrary Code on the Target System
Red Hat has issued a fix for Red Hat Enterprise Linux.



 Source Message Contents

Subject:  [RHSA-2016:0539-01] Important: Red Hat JBoss BPM Suite 6.2.2 update

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

Synopsis:          Important: Red Hat JBoss BPM Suite 6.2.2 update
Advisory ID:       RHSA-2016:0539-01
Product:           Red Hat JBoss BPM Suite
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-0539.html
Issue date:        2016-03-30
CVE Names:         CVE-2016-2510 
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss BPM Suite.

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 BPM Suite is a business rules and processes management system
for the management, storage, creation, modification, and deployment of
JBoss rules and BPMN2-compliant business processes.

This release of Red Hat JBoss BPM Suite 6.2.2 serves as a replacement for
Red Hat JBoss BPM Suite 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=bpm.suite&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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