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Red Hat 8 RHSA-2021-1242 Important Update: mariadb Code Execution Risk

red hat
Calendar Grey April 19, 2021
Dist Redhat Esm H88
Urgent security bulletin issued for Red Hat's mariadb 10.3, addressing vulnerabilities that compromise system security. Essential patches included in the latest release.
An update for the mariadb:10.3 and mariadb-devel:10.3 modules is now available for Red Hat Enterprise Linux 8

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.
The following packages have been upgraded to a later upstream version: mariadb (10.3.28), 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)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat update code execution important database system risk mariadb

References

https://access.redhat.com/security/cve/CVE-2021-27928 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: Judy-1.0.5-18.module+el8+2765+cfa4f87b.src.rpm galera-25.3.32-1.module+el8.3.0+10472+7adc332a.src.rpm mariadb-10.3.28-1.module+el8.3.0+10472+7adc332a.src.rpm
aarch64: Judy-1.0.5-18.module+el8+2765+cfa4f87b.aarch64.rpm Judy-debuginfo-1.0.5-18.module+el8+2765+cfa4f87b.aarch64.rpm Judy-debugsource-1.0.5-18.module+el8+2765+cfa4f87b.aarch64.rpm galera-25.3.32-1.module+el8.3.0+10472+7adc332a.aarch64.rpm galera-debuginfo-25.3.32-1.module+el8.3.0+10472+7adc332a.aarch64.rpm galera-debugsource-25.3.32-1.module+el8.3.0+10472+7adc332a.aarch64.rpm mariadb-10.3.28-1.module+el8.3.0+10472+7adc332a.aarch64.rpm mariadb-backup-10.3.28-1.module+el8.3.0+10472+7adc332a.aarch64.rpm mariadb-backup-debuginfo-10.3.28-1.module+el8.3.0+10472+7adc332a.aarch64.rpm mariadb-common-10.3.28-1.module+el8.3.0+10472+7adc332a.aarch64.rpm mariadb-debuginfo-10.3.28-1.module+el8.3.0+10472+7adc332a.aarch64.rpm mariadb-debugsource-10.3.28-1.module+el8.3.0+10472+7adc332a.aarch64.rpm mariadb-devel-10.3.28-1.module+el8.3.0+10472+7adc332a.aarch64.rpm mariadb-embedded-10.3.28-1.module+el8.3.0+10472+7adc332a.aarch64.rpm mariadb-embedded-debuginfo-10.3.28-1.module+el8.3.0+10472+7adc332a.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:1242-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1242
Issue date: 2021-04-19

Topic

An update for the mariadb:10.3 and mariadb-devel:10.3 modules is nowavailable for Red Hat Enterprise Linux 8.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 code execution important database system risk mariadb

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1940909 - CVE-2021-27928 mariadb: writable system variables allows a database user with SUPER privilege to execute arbitrary code as the system mysql user

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