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Red Hat Security Advisory 2017-1659-01

Red Hat Security Advisory 2017-1659-01
Posted Jun 28, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1659-01 - Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server. This release includes bug fixes as well as a new release of OpenSSL that addresses a number of outstanding security flaws. For further information, see the knowledge base article linked to in the References section. All users of Red Hat JBoss Enterprise Application Platform 6.4 on Red Hat Enterprise Linux 6 are advised to upgrade to these updated packages. Multiple security issues have been addressed.

tags | advisory, java
systems | linux, redhat
advisories | CVE-2016-2177, CVE-2016-2178, CVE-2016-6304, CVE-2016-8610
MD5 | 1f2af40f02de366f82d21bad20fd537b

Red Hat Security Advisory 2017-1659-01

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

Synopsis: Important: Red Hat JBoss Enterprise Application Platform 6.4.16 natives update
Advisory ID: RHSA-2017:1659-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-1659.html
Issue date: 2017-06-28
CVE Names: CVE-2016-2177 CVE-2016-2178 CVE-2016-6304
CVE-2016-8610
=====================================================================

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 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 Enterprise Application Platform is a platform for Java
applications based on the JBoss Application Server.

This release includes bug fixes as well as a new release of OpenSSL that
addresses a number of outstanding security flaws. For further information,
see the knowledge base article linked to in the References section. All
users of Red Hat JBoss Enterprise Application Platform 6.4 on Red Hat
Enterprise Linux 6 are advised to upgrade to these updated packages.

Security Fix(es):

* A memory leak flaw was found in the way OpenSSL handled TLS status
request extension data during session renegotiation. A remote attacker
could cause a TLS server using OpenSSL to consume an excessive amount of
memory and, possibly, exit unexpectedly after exhausting all available
memory, if it enabled OCSP stapling support. (CVE-2016-6304)

* It was discovered that OpenSSL did not always use constant time
operations when computing Digital Signature Algorithm (DSA) signatures. A
local attacker could possibly use this flaw to obtain a private DSA key
belonging to another user or service running on the same system.
(CVE-2016-2178)

* A denial of service flaw was found in the way the TLS/SSL protocol
defined processing of ALERT packets during a connection handshake. A remote
attacker could use this flaw to make a TLS/SSL server consume an excessive
amount of CPU and fail to accept connections form other clients.
(CVE-2016-8610)

* Multiple integer overflow flaws were found in the way OpenSSL performed
pointer arithmetic. A remote attacker could possibly use these flaws to
cause a TLS/SSL server or client using OpenSSL to crash. (CVE-2016-2177)

Red Hat would like to thank the OpenSSL project for reporting CVE-2016-6304
and Shi Lei (Gear Team of Qihoo 360 Inc.) for reporting CVE-2016-8610.
Upstream acknowledges Shi Lei (Gear Team of Qihoo 360 Inc.) as the original
reporter of CVE-2016-6304.

3. Solution:

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

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/):

1341705 - CVE-2016-2177 openssl: Possible integer overflow vulnerabilities in codebase
1343400 - CVE-2016-2178 openssl: Non-constant time codepath followed for certain operations in DSA implementation
1377600 - CVE-2016-6304 openssl: OCSP Status Request extension unbounded memory growth
1384743 - CVE-2016-8610 SSL/TLS: Malformed plain-text ALERT packets could cause remote DoS

5. References:

https://access.redhat.com/security/cve/CVE-2016-2177
https://access.redhat.com/security/cve/CVE-2016-2178
https://access.redhat.com/security/cve/CVE-2016-6304
https://access.redhat.com/security/cve/CVE-2016-8610
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/articles/2688611
https://access.redhat.com/solutions/222023
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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