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Red Hat Security Advisory 2017-3239-01

Red Hat Security Advisory 2017-3239-01
Posted Nov 17, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-3239-01 - Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server. This release provides an update to httpd and OpenSSL. The updates are documented in the Release Notes document linked to in the References. The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library.

tags | advisory, java, web, protocol
systems | linux, redhat
advisories | CVE-2016-2183, CVE-2017-9788, CVE-2017-9798
MD5 | d3308a53ac9894680ebba1c87d267299

Red Hat Security Advisory 2017-3239-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Important: Red Hat JBoss Enterprise Application Platform 6.4.18 security update
Advisory ID: RHSA-2017:3239-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2017:3239
Issue date: 2017-11-16
CVE Names: CVE-2016-2183 CVE-2017-9788 CVE-2017-9798
=====================================================================

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 provides an update to httpd and OpenSSL. The updates are
documented in the Release Notes document linked to in the References.

The httpd packages provide the Apache HTTP Server, a powerful, efficient,
and extensible web server.

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and
Transport Layer Security (TLS) protocols, as well as a full-strength
general-purpose cryptography library.

This release of JBoss Enterprise Application Platform 6.4.18 Natives serves
as a replacement of the JBoss Enterprise Application Platform 6.4.16
Natives and includes bug fixes which are documented in the Release Notes
document linked to in the References.

All users of Red Hat JBoss Enterprise Application Platform 6.4 Natives are
advised to upgrade to these updated packages.

Security Fix(es):

* It was discovered that the httpd's mod_auth_digest module did not
properly initialize memory before using it when processing certain headers
related to digest authentication. A remote attacker could possibly use this
flaw to disclose potentially sensitive information or cause httpd child
process to crash by sending specially crafted requests to a server.
(CVE-2017-9788)

* A flaw was found in the way the DES/3DES cipher was used as part of the
TLS/SSL protocol. A man-in-the-middle attacker could use this flaw to
recover some plaintext data by capturing large amounts of encrypted traffic
between TLS/SSL server and client if the communication used a DES/3DES
based ciphersuite. (CVE-2016-2183)

* A use-after-free flaw was found in the way httpd handled invalid and
previously unregistered HTTP methods specified in the Limit directive used
in an .htaccess file. A remote attacker could possibly use this flaw to
disclose portions of the server memory, or cause httpd child process to
crash. (CVE-2017-9798)

Red Hat would like to thank OpenVPN for reporting CVE-2016-2183 and Hanno
BAPck for reporting CVE-2017-9798. Upstream acknowledges Karthikeyan
Bhargavan (Inria) and GaA<<tan Leurent (Inria) as the original reporters of
CVE-2016-2183.

Bug Fix(es):

* CRL checking of very large CRLs fails with OpenSSL 1.0.2 (BZ#1508880)

* mod_cluster segfaults in process_info() due to wrongly generated
assembler instruction movslq (BZ#1508884)

* Corruption in nodestatsmem in multiple core dumps but in different
functions of each core dump. (BZ#1508885)

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).

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

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

1369383 - CVE-2016-2183 SSL/TLS: Birthday attack against 64-bit block ciphers (SWEET32)
1470748 - CVE-2017-9788 httpd: Uninitialized memory reflection in mod_auth_digest
1490344 - CVE-2017-9798 httpd: Use-after-free by limiting unregistered HTTP method (Optionsbleed)
1508880 - Unable to load large CRL openssl problem
1508884 - mod_cluster segfaults in process_info() due to wrongly generated assembler instruction movslq
1508885 - SegFault due to corrupt nodestatsmem

5. References:

https://access.redhat.com/security/cve/CVE-2016-2183
https://access.redhat.com/security/cve/CVE-2017-9788
https://access.redhat.com/security/cve/CVE-2017-9798
https://access.redhat.com/security/updates/classification/#important
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
https://access.redhat.com/articles/3229231

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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