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[RHSA-2016:1840-01] Important: eap7-jboss-ec2-eap security, bug fix, and enhancement update



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                   Red Hat Security Advisory

Synopsis:          Important: eap7-jboss-ec2-eap security, bug fix, and enhancement update
Advisory ID:       RHSA-2016:1840-01
Product:           Red Hat JBoss Enterprise Application Platform
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-1840.html
Issue date:        2016-09-08
CVE Names:         CVE-2015-0254 CVE-2016-4993 CVE-2016-5406 
=====================================================================

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 7.0.2.
Refer to the JBoss Enterprise Application Platform 7.0.2 Release Notes,
linked to in the References section, for information about the most
significant bug fixes and enhancements included in this release.

Security Fix(es):

* It was found that the Java Standard Tag Library (JSTL) allowed the
processing of untrusted XML documents to utilize external entity
references, which could access resources on the host system and,
potentially, allowing arbitrary code execution. (CVE-2015-0254)

* It was reported that EAP 7 Application Server/Undertow web server is
vulnerable to the injection of arbitrary HTTP headers, and also response
splitting, due to insufficient sanitization and validation of user input
before the input is used as part of an HTTP header value. (CVE-2016-4993)

* The domain controller will not propagate its administrative RBAC
configuration to some slaves. An attacker could use this to escalate their
privileges. (CVE-2016-5406)

Red Hat would like to thank Calum Hutton (NCC Group) and Mikhail Egorov
(Odin) for reporting CVE-2016-4993. The CVE-2016-5406 issue was discovered
by Tomaz Cerar (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/):

1198606 - CVE-2015-0254 jakarta-taglibs-standard: XXE and RCE via XSL extension in JSTL XML tags
1359014 - CVE-2016-5406 EAP7 Privilege escalation when managing domain including earlier version slaves

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

JBEAP-4734 - jboss-ec2-eap for EAP 7.0.2

7. Package List:

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

Source:
eap7-jboss-ec2-eap-7.0.2-2.GA_redhat_1.ep7.el6.src.rpm

noarch:
eap7-jboss-ec2-eap-7.0.2-2.GA_redhat_1.ep7.el6.noarch.rpm
eap7-jboss-ec2-eap-samples-7.0.2-2.GA_redhat_1.ep7.el6.noarch.rpm

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

Source:
eap7-jboss-ec2-eap-7.0.2-2.GA_redhat_1.ep7.el7.src.rpm

noarch:
eap7-jboss-ec2-eap-7.0.2-2.GA_redhat_1.ep7.el7.noarch.rpm
eap7-jboss-ec2-eap-samples-7.0.2-2.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-2015-0254
https://access.redhat.com/security/cve/CVE-2016-4993
https://access.redhat.com/security/cve/CVE-2016-5406
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/version-7.0/702-release-notes/
https://access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/version-7.0

9. 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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