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

Synopsis:          Important: mariadb-galera security update
Advisory ID:       RHSA-2016:2058-01
Product:           Red Hat Enterprise Linux OpenStack Platform
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-2058.html
Issue date:        2016-10-13
CVE Names:         CVE-2016-6662 
=====================================================================

1. Summary:

An update for mariadb-galera is now available for Red Hat Enterprise Linux
OpenStack Platform 5.0 (Icehouse) 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 Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 - x86_64

3. Description:

MariaDB is a multi-user, multi-threaded SQL database server that is binary
compatible with MySQL. Galera is a synchronous multi-master cluster for
MariaDB.

Security Fix(es):

* It was discovered that the MySQL logging functionality allowed writing to
MySQL configuration files. An administrative database user, or a database
user with FILE privileges, could possibly use this flaw to run arbitrary
commands with root privileges on the system running the database server.
(CVE-2016-6662)

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

After installing this update, the MariaDB server daemon (mysqld) will be
restarted automatically.

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

1375198 - CVE-2016-6662 mysql: general_log can write to configuration files, leading to privilege escalation

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6:

Source:
mariadb-galera-5.5.42-1.1.el6ost.src.rpm

x86_64:
mariadb-galera-common-5.5.42-1.1.el6ost.x86_64.rpm
mariadb-galera-debuginfo-5.5.42-1.1.el6ost.x86_64.rpm
mariadb-galera-server-5.5.42-1.1.el6ost.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-2016-6662
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/cve/CVE-2016-6662

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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