USN-4603-1: MariaDB vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Several security issues were fixed in MariaDB.
Software Description- mariadb-10.3 - MariaDB database
- mariadb-10.1 - MariaDB database
It was discovered that MariaDB didn’t properly validate the content of a packet received from a server. A remote attacker could use this vulnerability to sent a specialy crafted file to cause a denial of service. (CVE-2020-13249)
It was discovered that MariaDB has other security issues. An attacker can cause a hang or frequently repeatable crash (denial of service). (CVE-2020-15180, CVE-2020-2752, CVE-2020-2760, CVE-2020-2812, CVE-2020-2814)
In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.
Update instructionsThe problem can be corrected by updating your system to the following package versions:
- Ubuntu 20.04 LTS
- mariadb-server - 1:10.3.25-0ubuntu0.20.04.1
- Ubuntu 18.04 LTS
- mariadb-server - 1:10.1.47-0ubuntu0.18.04.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart MariaDB to make all the necessary changes.
References