QID 239274

Date Published: 2021-05-20

QID 239274: Red Hat Update for rh-mariadb103-mariadb and rh-mariadb103-galera (RHSA-2021:2040)

MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL.The following packages have been upgraded to a later upstream version: rh-mariadb103-mariadb (10.3.28), rh-mariadb103-galera (25.3.32).

Security Fix(es): mariadb: writable system variables allows a database user with SUPER privilege to execute arbitrary code as the system mysql user (CVE-2021-27928)

Affected Products:

Red Hat Software Collections (for RHEL Server) 1 for RHEL 7.7 x86_64
Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7.7 s390x
Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7.7 ppc64le
Red Hat Software Collections (for RHEL Server) 1 for RHEL 7.6 x86_64
Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7.6 s390x
Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7.6 ppc64le
Red Hat Software Collections (for RHEL Server) 1 for RHEL 7 x86_64
Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7 s390x
Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7 ppc64le
Red Hat Software Collections (for RHEL Workstation) 1 for RHEL 7 x86_64

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 7.2 severity.
  • CVSS V2 rated as Critical - 9 severity.
    • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:2040 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239274

    CVE-2021-27928 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:2040 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:2040?language=en
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