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Ubuntu 20.04 LTS: USN-4651-1 MySQL Network Service Access Risk

ubuntu
Calendar Grey November 30, 2020
Dist Ubuntu Esm H88
The standard setup of MySQL could lead to potential network vulnerabilities. Ensure your Ubuntu installation is updated to address essential patches.
MySQL could allow unintended access to network services.

Summary

MySQL could allow unintended access to network services.

Software Description:

- mysql-8.0: MySQL database

Details:

Tom Reynolds discovered that due to a packaging error, the MySQL X Plugin

was listening to all network interfaces by default, contrary to

expectations.

This update changes the default MySQL configuration to bind the MySQL X

Plugin to localhost only. This change may impact environments where the

MySQL X Plugin needs to be accessible from the network. The

mysqlx-bind-address setting in the /etc/mysql/mysql.conf.d/mysqld.cnf file

can be modified to allow network access.

Topics%20covered

Topics Covered

security advisory mysql ubuntu database issue network access configuration change

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  mysql-server-8.0                8.0.22-0ubuntu0.20.04.3

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4651-1

https://bugs.launchpad.net/ubuntu/+source/mysql-8.0/+bug/1857584

Severity
important
Lowest
Low
Medium
High
Critical

November 30, 2020

Topics%20covered

Topics Covered

security advisory mysql ubuntu database issue network access configuration change

Package Information

https://launchpad.net/ubuntu/+source/mysql-8.0/8.0.22-0ubuntu0.20.04.3

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