ESB-2017.1864 - [RedHat] eap7-jboss-ec2-eap: Execute arbitrary code/commands - Remote/unauthenticated 2017-08-01

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1864
               Important: eap7-jboss-ec2-eap security update
                               1 August 2017

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

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

Product:           eap7-jboss-ec2-eap
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 6
                   Red Hat Enterprise Linux Server 7
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-7525 CVE-2016-4978 

Reference:         ESB-2017.1863

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2017:1837

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                   Red Hat Security Advisory

Synopsis:          Important: eap7-jboss-ec2-eap security update
Advisory ID:       RHSA-2017:1837-01
Product:           Red Hat JBoss Enterprise Application Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:1837
Issue date:        2017-07-31
CVE Names:         CVE-2016-4978 CVE-2017-7525 
=====================================================================

1. Summary:

An update for eap7-jboss-ec2-eap is now available for Red Hat JBoss
Enterprise Application Platform 7.0 for RHEL 6 and Red Hat JBoss Enterprise
Application Platform 7.0 for RHEL 7.

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. Relevant releases/architectures:

Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 Server - noarch
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7 Server - noarch

3. Description:

The eap7-jboss-ec2-eap packages provide scripts for Red Hat JBoss
Enterprise Application Platform running on the Amazon Web Services (AWS)
Elastic Compute Cloud (EC2).

With this update, the eap7-jboss-ec2-eap package has been updated to ensure
compatibility with Red Hat JBoss Enterprise Application Platform 7.0.7.

Refer to the JBoss Enterprise Application Platform 7.0.7 Release Notes,
linked to in the References section, for information on the most
significant bug fixes and enhancements included in this release.

Security Fix(es):

* A deserialization flaw was discovered in jackson-databind which could
allow an unauthenticated user to perform code execution by sending
maliciously crafted input to the readValue method of the ObjectMapper.
(CVE-2017-7525)

* It was found that use of a JMS ObjectMessage does not safely handle
user-supplied data when deserializing objects. A remote attacker could use
this flaw to execute arbitrary code with the permissions of the application
using the JMS ObjectMessage. (CVE-2016-4978)

Red Hat would like to thank Liao Xinxi (NSFOCUS) for reporting
CVE-2017-7525.

4. Solution:

Before applying this update, back up your existing Red Hat JBoss Enterprise
Application Platform installation and deployed applications.

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

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

1379207 - CVE-2016-4978 Apache ActiveMQ Artemis: Deserialization of untrusted input vulnerability
1462702 - CVE-2017-7525 jackson-databind: Deserialization vulnerability via readValue method of ObjectMapper

6. JIRA issues fixed (https://issues.jboss.org/):

JBEAP-9466 - jboss-ec2-eap for EAP 7.0.7

7. Package List:

Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 Server:

Source:
eap7-jboss-ec2-eap-7.0.7-1.GA_redhat_1.ep7.el6.src.rpm

noarch:
eap7-jboss-ec2-eap-7.0.7-1.GA_redhat_1.ep7.el6.noarch.rpm
eap7-jboss-ec2-eap-samples-7.0.7-1.GA_redhat_1.ep7.el6.noarch.rpm

Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7 Server:

Source:
eap7-jboss-ec2-eap-7.0.7-1.GA_redhat_1.ep7.el7.src.rpm

noarch:
eap7-jboss-ec2-eap-7.0.7-1.GA_redhat_1.ep7.el7.noarch.rpm
eap7-jboss-ec2-eap-samples-7.0.7-1.GA_redhat_1.ep7.el7.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

8. References:

https://access.redhat.com/security/cve/CVE-2016-4978
https://access.redhat.com/security/cve/CVE-2017-7525
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/version-7.0/
https://access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/version-7.0/installation-guide/
https://access.redhat.com/documentation/en/jboss-enterprise-application-platform/

9. Contact:

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

Copyright 2017 Red Hat, Inc.
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