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Gentoo Linux Security Advisory                           GLSA 202011-14
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                                           https://security.gentoo.org/
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 Severity: High
    Title: MariaDB: Remote code execution
     Date: November 11, 2020
     Bugs: #747166
       ID: 202011-14

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Synopsis
=======
A vulnerability has been discovered in MariaDB which could result in
the arbitrary execution of code.

Background
=========
MariaDB is an enhanced, drop-in replacement for MySQL.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-db/mariadb               < 10.5.6             >= 10.5.6:10.5
                                                   >= 10.4.13-r3:10.4
                                                   >= 10.3.23-r3:10.3
                                                   >= 10.2.22-r3:10.2

Description
==========
It was discovered that MariaDB did not properly validate the content of
a packet received from a server.

Impact
=====
A remote attacker could send a specially crafted packet to WSREP
service, possibly resulting in execution of arbitrary code with the
privileges of the process or a Denial of Service condition.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All MariaDB 10.5.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/mariadb-10.5.6:10.5"

All MariaDB 10.4.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/mariadb-10.4.13-r3:10.4"

All MariaDB 10.3.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/mariadb-10.3.23-r3:10.3"

All MariaDB 10.2.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/mariadb-10.2.22-r3:10.2"

References
=========
[ 1 ] CVE-2020-15180
      https://nvd.nist.gov/vuln/detail/CVE-2020-15180

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202011-14

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/