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Red Hat OpenStack 5.0: RHSA-2016:2058-01 Crucial mariadb-galera Escalation

red hat
Calendar Grey October 13, 2016
Scroller Redhat
Essential mariadb-galera enhancement fixes a critical flaw in RHEL OpenStack framework, enhancing both security and resilience.
An update for mariadb-galera is now available for Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6

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.

Summary

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)

Topics%20covered

Topics Covered

security advisory Red Hat update critical privilege escalation OpenStack mariadb

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

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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2016:2058-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2016:2058.html
Issue date: 2016-10-13

Topic

An update for mariadb-galera is now available for Red Hat Enterprise LinuxOpenStack Platform 5.0 (Icehouse) for RHEL 6.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat update critical privilege escalation OpenStack mariadb

Relevant Releases Architectures

Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 - x86_64

Bugs Fixed

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

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