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Red Hat Security Advisory 2016-1649-01

Red Hat Security Advisory 2016-1649-01
Posted Aug 22, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1649-01 - Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache HTTP Server, the Apache Tomcat Servlet container, Apache Tomcat Connector, JBoss HTTP Connector, Hibernate, and the Tomcat Native library. This release serves as a replacement for Red Hat JBoss Web Server 2.1.0, and includes several bug fixes.

tags | advisory, java, web
systems | linux, redhat
advisories | CVE-2016-2105, CVE-2016-2106, CVE-2016-3110, CVE-2016-5387
SHA-256 | 6f912c3eac60b24e5fcc49c83f0bc9b2f7d63a1d9a3b172fda35193e1fba6f6f

Red Hat Security Advisory 2016-1649-01

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

Synopsis: Important: Red Hat JBoss Web Server 2.1.1 security update on RHEL 6
Advisory ID: RHSA-2016:1649-01
Product: Red Hat JBoss Web Server
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-1649.html
Issue date: 2016-08-22
CVE Names: CVE-2016-2105 CVE-2016-2106 CVE-2016-3110
CVE-2016-5387
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss Enterprise Web Server 2.1 for
RHEL 6.

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 Web Server 2 for RHEL 6 Server - i386, noarch, x86_64

3. Description:

Red Hat JBoss Web Server is a fully integrated and certified set of
components for hosting Java web applications. It is comprised of the Apache
HTTP Server, the Apache Tomcat Servlet container, Apache Tomcat Connector
(mod_jk), JBoss HTTP Connector (mod_cluster), Hibernate, and the Tomcat
Native library.

This release serves as a replacement for Red Hat JBoss Web Server 2.1.0,
and includes several bug fixes. Refer to the Red Hat JBoss Web Server 2.1.1
Release Notes, linked to in the References section, for information on the
most significant of these changes.

All users of Red Hat JBoss Web Server 2.1.0 on Red Hat Enterprise Linux 6
are advised to upgrade to Red Hat JBoss Web Server 2.1.1. The JBoss server
process must be restarted for this update to take effect.

Security Fix(es):

* It was discovered that httpd used the value of the Proxy header from HTTP
requests to initialize the HTTP_PROXY environment variable for CGI scripts,
which in turn was incorrectly used by certain HTTP client implementations
to configure the proxy for outgoing HTTP requests. A remote attacker could
possibly use this flaw to redirect HTTP requests performed by a CGI script
to an attacker-controlled proxy via a malicious HTTP request.
(CVE-2016-5387)

* An integer overflow flaw, leading to a buffer overflow, was found in the
way the EVP_EncodeUpdate() function of OpenSSL parsed very large amounts of
input data. A remote attacker could use this flaw to crash an application
using OpenSSL or, possibly, execute arbitrary code with the permissions of
the user running that application. (CVE-2016-2105)

* An integer overflow flaw, leading to a buffer overflow, was found in the
way the EVP_EncryptUpdate() function of OpenSSL parsed very large amounts
of input data. A remote attacker could use this flaw to crash an
application using OpenSSL or, possibly, execute arbitrary code with the
permissions of the user running that application. (CVE-2016-2106)

* It was discovered that it is possible to remotely Segfault Apache http
server with a specially crafted string sent to the mod_cluster via service
messages (MCMP). (CVE-2016-3110)

Red Hat would like to thank Scott Geary (VendHQ) for reporting
CVE-2016-5387; the OpenSSL project for reporting CVE-2016-2105 and
CVE-2016-2106; and Michal Karm Babacek for reporting CVE-2016-3110.
Upstream acknowledges Guido Vranken as the original reporter of
CVE-2016-2105 and CVE-2016-2106.

4. Solution:

Before applying the update, back up your existing Red Hat JBoss Web Server
installation (including all applications and configuration files).

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

For the update to take effect, all services linked to the OpenSSL library
must be restarted, or the system rebooted. After installing the updated
packages, the httpd daemon will be restarted automatically.

Refer to the Red Hat JBoss Enterprise Web Server 2.1.1 Release Notes for a
list of non security related fixes.

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

1326320 - CVE-2016-3110 mod_cluster: remotely Segfault Apache http server
1331441 - CVE-2016-2105 openssl: EVP_EncodeUpdate overflow
1331536 - CVE-2016-2106 openssl: EVP_EncryptUpdate overflow
1337151 - CVE-2016-2105 openssl: EVP_EncodeUpdate overflow [jbews-2.1.0]
1337155 - CVE-2016-2106 openssl: EVP_EncryptUpdate overflow [jbews-2.1.0]
1337396 - EWS 2.1.1 Tracker Bug for EL6
1353755 - CVE-2016-5387 Apache HTTPD: sets environmental variable based on user supplied Proxy request header
1358118 - CVE-2016-5387 Apache HTTPD: sets environmental variable based on user supplied Proxy request header [jbews-2.1.0]
1366541 - RPM: RHEL6: httpd service is not starting, LD_LIBRARY_PATH needs to be set

6. Package List:

Red Hat JBoss Enterprise Web Server 2 for RHEL 6 Server:

Source:
httpd-2.2.26-54.ep6.el6.src.rpm
jbcs-httpd24-openssl-1.0.2h-4.jbcs.el6.src.rpm
mod_cluster-1.2.13-1.Final_redhat_1.1.ep6.el6.src.rpm
mod_cluster-native-1.2.13-3.Final_redhat_2.ep6.el6.src.rpm
mod_jk-1.2.41-2.redhat_3.ep6.el6.src.rpm
tomcat-native-1.1.34-5.redhat_1.ep6.el6.src.rpm

i386:
httpd-2.2.26-54.ep6.el6.i386.rpm
httpd-debuginfo-2.2.26-54.ep6.el6.i386.rpm
httpd-devel-2.2.26-54.ep6.el6.i386.rpm
httpd-manual-2.2.26-54.ep6.el6.i386.rpm
httpd-tools-2.2.26-54.ep6.el6.i386.rpm
jbcs-httpd24-openssl-1.0.2h-4.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-debuginfo-1.0.2h-4.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-devel-1.0.2h-4.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-libs-1.0.2h-4.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-perl-1.0.2h-4.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-static-1.0.2h-4.jbcs.el6.i686.rpm
mod_cluster-native-1.2.13-3.Final_redhat_2.ep6.el6.i386.rpm
mod_cluster-native-debuginfo-1.2.13-3.Final_redhat_2.ep6.el6.i386.rpm
mod_jk-ap22-1.2.41-2.redhat_3.ep6.el6.i386.rpm
mod_jk-debuginfo-1.2.41-2.redhat_3.ep6.el6.i386.rpm
mod_jk-manual-1.2.41-2.redhat_3.ep6.el6.i386.rpm
mod_ssl-2.2.26-54.ep6.el6.i386.rpm
tomcat-native-1.1.34-5.redhat_1.ep6.el6.i386.rpm
tomcat-native-debuginfo-1.1.34-5.redhat_1.ep6.el6.i386.rpm

noarch:
mod_cluster-1.2.13-1.Final_redhat_1.1.ep6.el6.noarch.rpm
mod_cluster-tomcat6-1.2.13-1.Final_redhat_1.1.ep6.el6.noarch.rpm
mod_cluster-tomcat7-1.2.13-1.Final_redhat_1.1.ep6.el6.noarch.rpm

x86_64:
httpd-2.2.26-54.ep6.el6.x86_64.rpm
httpd-debuginfo-2.2.26-54.ep6.el6.x86_64.rpm
httpd-devel-2.2.26-54.ep6.el6.x86_64.rpm
httpd-manual-2.2.26-54.ep6.el6.x86_64.rpm
httpd-tools-2.2.26-54.ep6.el6.x86_64.rpm
jbcs-httpd24-openssl-1.0.2h-4.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-debuginfo-1.0.2h-4.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-devel-1.0.2h-4.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-libs-1.0.2h-4.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-perl-1.0.2h-4.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-static-1.0.2h-4.jbcs.el6.x86_64.rpm
mod_cluster-native-1.2.13-3.Final_redhat_2.ep6.el6.x86_64.rpm
mod_cluster-native-debuginfo-1.2.13-3.Final_redhat_2.ep6.el6.x86_64.rpm
mod_jk-ap22-1.2.41-2.redhat_3.ep6.el6.x86_64.rpm
mod_jk-debuginfo-1.2.41-2.redhat_3.ep6.el6.x86_64.rpm
mod_jk-manual-1.2.41-2.redhat_3.ep6.el6.x86_64.rpm
mod_ssl-2.2.26-54.ep6.el6.x86_64.rpm
tomcat-native-1.1.34-5.redhat_1.ep6.el6.x86_64.rpm
tomcat-native-debuginfo-1.1.34-5.redhat_1.ep6.el6.x86_64.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/

7. References:

https://access.redhat.com/security/cve/CVE-2016-2105
https://access.redhat.com/security/cve/CVE-2016-2106
https://access.redhat.com/security/cve/CVE-2016-3110
https://access.redhat.com/security/cve/CVE-2016-5387
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/documentation/en-US/Red_Hat_JBoss_Web_Server/2.1/html/2.1.1_Release_Notes/index.html
https://access.redhat.com/site/documentation/
https://access.redhat.com/site/documentation/en-US/JBoss_Enterprise_Web_Server/2/html-single/Installation_Guide/index.html
https://access.redhat.com/security/vulnerabilities/httpoxy

8. 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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