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Category:   Application (Web Server/CGI)  >   Red Hat JBoss Vendors:   Red Hat
(Red Hat Issues Fix for Red Hat JBoss Core Services) OpenSSL Multiple Bugs Let Remote Users Decrypt Data, Deny Service, Obtain Potentially Sensitive Information, and Potentially Execute Arbitrary Code
SecurityTracker Alert ID:  1037711
SecurityTracker URL:  http://securitytracker.com/id/1037711
CVE Reference:   CVE-2016-2108   (Links to External Site)
Date:  Jan 26 2017
Impact:   Denial of service via local system, Denial of service via network, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via local system, Execution of arbitrary code via network, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Multiple vulnerabilities were reported in OpenSSL. A remote user can decrypt data in certain cases. A remote or local user can cause denial of service conditions. A remote user can obtain potentially sensitive information on the target system. A remote or local user may be able to execute arbitrary code on the target application using OpenSSL. Red Hat JBoss Core Services is affected.

A remote user that can conduct a man-in-the-middle attack can conduct a padding oracle attack against data encrypted with an AES CBC cipher when the target server supports AES-NI to decrypt the data [CVE-2016-2107].

[Editor's note: This vulnerability was introduced in fix for a previous vulnerability known as the Lucky 13 padding attack (CVE-2013-0169).]

Juraj Somorovsky reported this vulnerability.

A remote or local user can supply specially crafted data to trigger an overflow in the EVP_EncodeUpdate() function and cause a heap corruption and cause the target application to crash or potentially execute arbitrary code [CVE-2016-2105]. Applications that call the affected PEM_write_bio* functions may be affected.

Guido Vranken reported this vulnerability.

A remote or local user can supply specially crafted data to trigger an overflow in the EVP_EncryptUpdate() function and cause a heap corruption and cause the target application to crash or potentially execute arbitrary code [CVE-2016-2106]. Applications that call the affected function may be affected.

Guido Vranken reported this vulnerability.

A remote or local user can supply specially crafted ASN.1 data to an application that reads data from a BIO using functions such as d2i_CMS_bio() to trigger a memory allocation error and consume excessive memory on the target system [CVE-2016-2109]. TLS applications are not affected.

Brian Carpenter reported this vulnerability.

An application can supply a specially crafted ASN.1 string longer than 1024 bytes to the X509_NAME_oneline() function on EBCDIC systems to trigger a memory over-read and return arbitrary stack data containing potentially sensitive information [CVE-2016-2176].

Guido Vranken reported this vulnerability.

Impact:   A remote user can decrypt traffic in certain cases.

A remote or local user may be able to execute arbitrary code on the target application that uses OpenSSL.

A remote or local user can cause denial of service conditions on the target system.

A remote user can obtain potentially sensitive information on the target system.

Solution:   Red Hat has issued a fix for CVE-2016-2108 for Red Hat JBoss Core Services.

The Red Hat advisories are available at:

https://access.redhat.com/errata/RHSA-2017:0193
https://access.redhat.com/errata/RHSA-2017:0194

Vendor URL:  access.redhat.com/errata/RHSA-2017:0193 (Links to External Site)
Cause:   Access control error, Boundary error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  6, 7

Message History:   This archive entry is a follow-up to the message listed below.
May 3 2016 OpenSSL Multiple Bugs Let Remote Users Decrypt Data, Deny Service, Obtain Potentially Sensitive Information, and Potentially Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2017:0193-01] Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Release on RHEL 6

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

Synopsis:          Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Release on RHEL 6
Advisory ID:       RHSA-2017:0193-01
Product:           Red Hat JBoss Core Services
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:0193
Issue date:        2017-01-25
CVE Names:         CVE-2016-2108 CVE-2016-2177 CVE-2016-2178 
                   CVE-2016-4459 CVE-2016-6808 CVE-2016-8612 
=====================================================================

1. Summary:

Updated packages that provide Red Hat JBoss Core Services Pack Apache
Server 2.4.23 and fix several bugs, and add various enhancements are now
available for Red Hat Enterprise Linux 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 Core Services on RHEL 6 Server - i386, noarch, ppc64, x86_64

3. Description:

This release adds the new Apache HTTP Server 2.4.23 packages that are part
of the JBoss Core Services offering.

This release serves as a replacement for Red Hat JBoss Core Services Pack
Apache Server 2.4.6, and includes bug fixes and enhancements. Refer to the
Release Notes for information on the most significant bug fixes and
enhancements included in this release.

Security Fix(es):

* A flaw was found in the way OpenSSL encoded certain ASN.1 data
structures. An attacker could use this flaw to create a specially crafted
certificate which, when verified or re-encoded by OpenSSL, could cause it
to crash, or execute arbitrary code using the permissions of the user
running an application compiled against the OpenSSL library.
(CVE-2016-2108)

* It was found that the length checks prior to writing to the target buffer
for creating a virtual host mapping rule did not take account of the length
of the virtual host name, creating the potential for a buffer overflow.
(CVE-2016-6808)

* 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)

* 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)

* It was discovered that specifying configuration with a JVMRoute path
longer than 80 characters will cause segmentation fault leading to a server
crash. (CVE-2016-4459)

* An error was found in protocol parsing logic of mod_cluster load balancer
Apache HTTP Server modules. An attacker could use this flaw to cause a
Segmentation Fault in the serving httpd process. (CVE-2016-8612)

Red Hat would like to thank the OpenSSL project for reporting
CVE-2016-2108. The CVE-2016-4459 issue was discovered by Robert Bost (Red
Hat). Upstream acknowledges Huzaifa Sidhpurwala (Red Hat), Hanno Bock, and
David Benjamin (Google) as the original reporters of CVE-2016-2108.

4. Solution:

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.

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

1331402 - CVE-2016-2108 openssl: Memory corruption in the ASN.1 encoder
1341583 - CVE-2016-4459 mod_cluster: Buffer overflow in mod_manager when sending request with long JVMRoute
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
1382352 - CVE-2016-6808 mod_jk: Buffer overflow when concatenating virtual host name and URI
1387605 - CVE-2016-8612 JBCS mod_cluster: Protocol parsing logic error

6. Package List:

Red Hat JBoss Core Services on RHEL 6 Server:

Source:
jbcs-httpd24-httpd-2.4.23-102.jbcs.el6.src.rpm
jbcs-httpd24-mod_auth_kerb-5.4-35.jbcs.el6.src.rpm
jbcs-httpd24-mod_bmx-0.9.6-14.GA.jbcs.el6.src.rpm
jbcs-httpd24-mod_cluster-native-1.3.5-13.Final_redhat_1.jbcs.el6.src.rpm
jbcs-httpd24-mod_jk-1.2.41-14.redhat_1.jbcs.el6.src.rpm
jbcs-httpd24-mod_rt-2.4.1-16.GA.jbcs.el6.src.rpm
jbcs-httpd24-mod_security-2.9.1-18.GA.jbcs.el6.src.rpm
jbcs-httpd24-nghttp2-1.12.0-9.jbcs.el6.src.rpm
jbcs-httpd24-openssl-1.0.2h-12.jbcs.el6.src.rpm

i386:
jbcs-httpd24-httpd-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-debuginfo-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-devel-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-selinux-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-src-zip-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-tools-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-zip-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-mod_auth_kerb-5.4-35.jbcs.el6.i686.rpm
jbcs-httpd24-mod_auth_kerb-debuginfo-5.4-35.jbcs.el6.i686.rpm
jbcs-httpd24-mod_bmx-0.9.6-14.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_bmx-debuginfo-0.9.6-14.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_bmx-src-zip-0.9.6-14.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_cluster-native-1.3.5-13.Final_redhat_1.jbcs.el6.i686.rpm
jbcs-httpd24-mod_cluster-native-debuginfo-1.3.5-13.Final_redhat_1.jbcs.el6.i686.rpm
jbcs-httpd24-mod_cluster-native-src-zip-1.3.5-13.Final_redhat_1.jbcs.el6.i686.rpm
jbcs-httpd24-mod_jk-ap24-1.2.41-14.redhat_1.jbcs.el6.i686.rpm
jbcs-httpd24-mod_jk-debuginfo-1.2.41-14.redhat_1.jbcs.el6.i686.rpm
jbcs-httpd24-mod_jk-manual-1.2.41-14.redhat_1.jbcs.el6.i686.rpm
jbcs-httpd24-mod_jk-src-zip-1.2.41-14.redhat_1.jbcs.el6.i686.rpm
jbcs-httpd24-mod_ldap-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-mod_proxy_html-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-mod_rt-2.4.1-16.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_rt-debuginfo-2.4.1-16.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_rt-src-zip-2.4.1-16.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_security-2.9.1-18.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_security-debuginfo-2.9.1-18.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_security-src-zip-2.9.1-18.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_session-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-mod_ssl-2.4.23-102.jbcs.el6.i686.rpm
jbcs-httpd24-nghttp2-1.12.0-9.jbcs.el6.i686.rpm
jbcs-httpd24-nghttp2-debuginfo-1.12.0-9.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-1.0.2h-12.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-debuginfo-1.0.2h-12.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-devel-1.0.2h-12.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-libs-1.0.2h-12.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-perl-1.0.2h-12.jbcs.el6.i686.rpm
jbcs-httpd24-openssl-static-1.0.2h-12.jbcs.el6.i686.rpm

noarch:
jbcs-httpd24-httpd-manual-2.4.23-102.jbcs.el6.noarch.rpm

ppc64:
jbcs-httpd24-httpd-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-httpd-debuginfo-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-httpd-devel-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-httpd-selinux-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-httpd-src-zip-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-httpd-tools-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-httpd-zip-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_auth_kerb-5.4-35.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_auth_kerb-debuginfo-5.4-35.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_bmx-0.9.6-14.GA.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_bmx-debuginfo-0.9.6-14.GA.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_bmx-src-zip-0.9.6-14.GA.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_cluster-native-1.3.5-13.Final_redhat_1.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_cluster-native-debuginfo-1.3.5-13.Final_redhat_1.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_cluster-native-src-zip-1.3.5-13.Final_redhat_1.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_jk-ap24-1.2.41-14.redhat_1.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_jk-debuginfo-1.2.41-14.redhat_1.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_jk-manual-1.2.41-14.redhat_1.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_jk-src-zip-1.2.41-14.redhat_1.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_ldap-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_proxy_html-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_rt-2.4.1-16.GA.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_rt-debuginfo-2.4.1-16.GA.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_rt-src-zip-2.4.1-16.GA.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_security-2.9.1-18.GA.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_security-debuginfo-2.9.1-18.GA.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_security-src-zip-2.9.1-18.GA.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_session-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_ssl-2.4.23-102.jbcs.el6.ppc64.rpm
jbcs-httpd24-nghttp2-1.12.0-9.jbcs.el6.ppc64.rpm
jbcs-httpd24-nghttp2-debuginfo-1.12.0-9.jbcs.el6.ppc64.rpm
jbcs-httpd24-openssl-1.0.2h-12.jbcs.el6.ppc64.rpm
jbcs-httpd24-openssl-debuginfo-1.0.2h-12.jbcs.el6.ppc64.rpm
jbcs-httpd24-openssl-devel-1.0.2h-12.jbcs.el6.ppc64.rpm
jbcs-httpd24-openssl-libs-1.0.2h-12.jbcs.el6.ppc64.rpm
jbcs-httpd24-openssl-perl-1.0.2h-12.jbcs.el6.ppc64.rpm
jbcs-httpd24-openssl-static-1.0.2h-12.jbcs.el6.ppc64.rpm

x86_64:
jbcs-httpd24-httpd-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-debuginfo-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-devel-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-selinux-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-src-zip-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-tools-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-zip-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_auth_kerb-5.4-35.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_auth_kerb-debuginfo-5.4-35.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_bmx-0.9.6-14.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_bmx-debuginfo-0.9.6-14.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_bmx-src-zip-0.9.6-14.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_cluster-native-1.3.5-13.Final_redhat_1.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_cluster-native-debuginfo-1.3.5-13.Final_redhat_1.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_cluster-native-src-zip-1.3.5-13.Final_redhat_1.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_jk-ap24-1.2.41-14.redhat_1.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_jk-debuginfo-1.2.41-14.redhat_1.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_jk-manual-1.2.41-14.redhat_1.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_jk-src-zip-1.2.41-14.redhat_1.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_ldap-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_proxy_html-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_rt-2.4.1-16.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_rt-debuginfo-2.4.1-16.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_rt-src-zip-2.4.1-16.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_security-2.9.1-18.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_security-debuginfo-2.9.1-18.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_security-src-zip-2.9.1-18.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_session-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_ssl-2.4.23-102.jbcs.el6.x86_64.rpm
jbcs-httpd24-nghttp2-1.12.0-9.jbcs.el6.x86_64.rpm
jbcs-httpd24-nghttp2-debuginfo-1.12.0-9.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-1.0.2h-12.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-debuginfo-1.0.2h-12.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-devel-1.0.2h-12.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-libs-1.0.2h-12.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-perl-1.0.2h-12.jbcs.el6.x86_64.rpm
jbcs-httpd24-openssl-static-1.0.2h-12.jbcs.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-2016-2108
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-2016-4459
https://access.redhat.com/security/cve/CVE-2016-6808
https://access.redhat.com/security/cve/CVE-2016-8612
https://access.redhat.com/security/updates/classification/#important

8. 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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