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                   Red Hat Security Advisory

Synopsis:          Important: Red Hat JBoss Data Virtualization 6.3 Update 7
 security update
Advisory ID:       RHSA-2017:2477-01
Product:           Red Hat JBoss Data Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:2477
Issue date:        2017-08-15
CVE Names:         CVE-2015-3254 CVE-2017-5637 CVE-2017-7525 
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss Data Virtualization.

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 Data Virtualization is a lean data integration solution that
provides easy, real-time, and unified data access across disparate sources
to multiple applications and users. JBoss Data Virtualization makes data
spread across physically distinct systems - such as multiple databases, XML
files, and even Hadoop systems - appear as a set of tables in a local
database.

This release of Red Hat JBoss Data Virtualization 6.3 Update 7 serves as a
replacement for Red Hat JBoss Data Virtualization 6.3 Update 6, and
includes bug fixes and enhancements, which are documented in the Release
Notes document linked to in the References.

Security Fix(es):

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

* A vulnerability was discovered in Apache Thrift client libraries that
allows remote, authenticated attackers to cause an infinite recursion via
vectors involving the skip function; resulting in a denial of service (DoS)
condition. (CVE-2015-3254)

* A denial of service vulnerability was discovered in ZooKeeper which
allows an attacker to dramatically increase CPU utilization by abusing
"wchp/wchc" commands, leading to the server being unable to serve
legitimate requests. (CVE-2017-5637)

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

3. Solution:

Before applying the update, back up your existing Red Hat JBoss Data
Virtualization installation (including its databases, applications,
configuration files, and so on).

Note that it is recommended to halt the Red Hat JBoss Data Virtualization
server by stopping the JBoss Application Server process before installing
this update, and then after installing the update, restart the Red Hat
JBoss Data Virtualization server by starting the JBoss Application Server
process.

The References section of this erratum contains a download link (you must
log in to download the update).

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

1454808 - CVE-2017-5637 zookeeper: Incorrect input validation with wchp/wchc
 four letter words
1462702 - CVE-2017-7525 jackson-databind: Deserialization vulnerability via
 readValue method of ObjectMapper
1462783 - CVE-2015-3254 thrift: Infinite recursion via vectors involving the
 skip function

5. References:

https://access.redhat.com/security/cve/CVE-2015-3254
https://access.redhat.com/security/cve/CVE-2017-5637
https://access.redhat.com/security/cve/CVE-2017-7525
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=data.services.platform&downloadType=securityPatches&version=6.3.0

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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