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                   Red Hat Security Advisory

Synopsis:          Critical: jboss-ec2-eap security, bug fix, and enhancement update
Advisory ID:       RHSA-2016:1432-01
Product:           Red Hat JBoss Enterprise Application Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2016:1432
Issue date:        2016-07-18
CVE Names:         CVE-2015-5174 CVE-2016-2141 
=====================================================================

1. Summary:

A jboss-ec2-eap update is now available for Red Hat JBoss Enterprise
Application Platform 6.4.0 on Red Hat Enterprise Linux 6.

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. Relevant releases/architectures:

Red Hat JBoss EAP 6.4 for RHEL 6 - noarch

3. Description:

Red Hat JBoss Enterprise Application Platform 6 is a platform for Java
applications based on JBoss Application Server 7.

The 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 packages have been updated to
ensure compatibility with Red Hat JBoss Enterprise Application Platform
6.4.9.

Security Fix(es):

* It was found that JGroups did not require necessary headers for encrypt
and auth protocols from new nodes joining the cluster. An attacker could
use this flaw to bypass security restrictions, and use this vulnerability
to send and receive messages within the cluster, leading to information
disclosure, message spoofing, or further possible attacks. (CVE-2016-2141)

More information about this vulnerability is available at:
https://access.redhat.com/articles/2360521

* A directory traversal flaw was found in Tomcat's and JBoss Web's
RequestUtil.java. A remote, authenticated user could use this flaw to
bypass intended SecurityManager restrictions and list a parent directory
via a '/..' in a pathname used by a web application in a getResource,
getResourceAsStream, or getResourcePaths call, as demonstrated by the
$CATALINA_BASE/webapps directory. (CVE-2015-5174)

The CVE-2016-2141 issue was discovered by Dennis Reed (Red Hat).

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

The JBoss server process must be restarted for the update to take effect.

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

1265698 - CVE-2015-5174 tomcat: URL Normalization issue
1313589 - CVE-2016-2141 Authorization bypass in JGroups

6. Package List:

Red Hat JBoss EAP 6.4 for RHEL 6:

Source:
jboss-ec2-eap-7.5.9-2.Final_redhat_2.ep6.el6.src.rpm

noarch:
jboss-ec2-eap-7.5.9-2.Final_redhat_2.ep6.el6.noarch.rpm
jboss-ec2-eap-samples-7.5.9-2.Final_redhat_2.ep6.el6.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/

7. References:

https://access.redhat.com/security/cve/CVE-2015-5174
https://access.redhat.com/security/cve/CVE-2016-2141
https://access.redhat.com/security/updates/classification/#critical
https://access.redhat.com/documentation/en-US/JBoss_Enterprise_Application_Platform/6.4/index.html
https://access.redhat.com/articles/2360521

8. 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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