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Red Hat Security Advisory 2017-1255-01

Red Hat Security Advisory 2017-1255-01
Posted May 19, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1255-01 - Red Hat JBoss Enterprise Application Platform 6 is a platform for Java applications based on JBoss Application Server 7. This release of Red Hat JBoss Enterprise Application Platform 6.4.15 serves as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.14, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix: It was discovered that under certain conditions RESTEasy could be forced to parse a request with YamlProvider, resulting in unmarshalling of potentially untrusted data. An attacker could possibly use this flaw execute arbitrary code with the permissions of the application using RESTEasy.

tags | advisory, java, arbitrary
systems | linux, redhat
advisories | CVE-2016-9606
MD5 | 60c3b7069ffc5b30cddf4ee0b24c322b

Red Hat Security Advisory 2017-1255-01

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

Synopsis: Moderate: Red Hat JBoss Enterprise Application Platform security update
Advisory ID: RHSA-2017:1255-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-1255.html
Issue date: 2017-05-18
CVE Names: CVE-2016-9606
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss Enterprise Application
Platform.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 Enterprise Application Platform 6 is a platform for Java
applications based on JBoss Application Server 7.

This release of Red Hat JBoss Enterprise Application Platform 6.4.15 serves
as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.14,
and includes bug fixes and enhancements, which are documented in the
Release Notes document linked to in the References.

Security Fix(es):

* It was discovered that under certain conditions RESTEasy could be forced
to parse a request with YamlProvider, resulting in unmarshalling of
potentially untrusted data. An attacker could possibly use this flaw
execute arbitrary code with the permissions of the application using
RESTEasy. (CVE-2016-9606)

Red Hat would like to thank Moritz Bechler (AgNO3 GmbH & Co. KG) for
reporting these issues.

3. 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

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

1400644 - CVE-2016-9606 Resteasy: Yaml unmarshalling vulnerable to RCE

5. References:

https://access.redhat.com/security/cve/CVE-2016-9606
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en/jboss-enterprise-application-platform/
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=6.4

6. 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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