Oracle reports :

This Critical Patch Update contains 17 new security fixes for Oracle MySQL. 5 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a network without requiring user credentials.

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues.

MySQL has been updated to 8.0.19 in Ubuntu 19.10. Ubuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL 5.7.29.

In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.

Please see the following for more information:
https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-29.html https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-19.html https://www.oracle.com/security-alerts/cpujan2020.html

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-202105-27 (MySQL: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in MySQL. Please review       the CVE identifiers referenced below for details.
  Impact :

    An attacker could possibly execute arbitrary code with the privileges of       the process, escalate privileges, gain access to critical data or       complete access to all MySQL server accessible data, or cause a Denial of       Service condition.
  Workaround :

    There is no known workaround at this time.

The version of MySQL running on the remote host is 5.7.x prior to 5.7.29. It is, therefore, affected by multiple vulnerabilities, including three of the top vulnerabilities below, as noted in the January 2020 Critical Patch Update advisory:

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Compiling (cURL)). Supported   versions that are affected are 5.7.28 and prior and 8.0.18 and prior. Easily exploitable vulnerability allows   unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful   attacks of this vulnerability can result in takeover of MySQL Server (CVE-2019-5482).

  - Unspecified vulnerability in the optimizer component of Oracle MySQL Server. An authenticated, remote attacker   could exploit this issue, to compromise the availability of the application (CVE-2020-2579).

  - Unspecified vulnerabilities in the InnoDB component of Oracle MySQL Server. An authenticated, remote attacker   could exploit these issues, to compromise the availability of the application (CVE-2020-2577, CVE-2020-2589).

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

An update of the mysql package has been released.

The version of MySQL running on the remote host is 8.0.x prior to 8.0.19. It is, therefore, affected by multiple vulnerabilities, as noted in the January 2020 Critical Patch Update advisory:

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Compiling (cURL)). Supported   versions that are affected are 5.7.28 and prior and 8.0.18 and prior. This easily exploitable vulnerability allows   unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful   attacks of this vulnerability can result in takeover of MySQL Server (CVE-2019-5482).

  - Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are   affected are 5.6.46 and prior, 5.7.28 and prior and 8.0.18 and prior. Difficult to exploit vulnerability allows   unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful   attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash   (complete DOS) of MySQL Client. (CVE-2020-2573)

  - Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are   affected are 5.6.46 and prior, 5.7.28 and prior and 8.0.18 and prior. Difficult to exploit vulnerability allows   unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful   attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash   (complete DOS) of MySQL Client. (CVE-2020-2574)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
132942	FreeBSD : MySQL -- Multiple vulerabilities (a6cf65ad-37d2-11ea-a1c7-b499baebfeaf)	Nessus	FreeBSD Local Security Checks	1/16/2020	3/29/2024	critical
133289	Ubuntu 16.04 LTS / 18.04 LTS : MySQL vulnerabilities (USN-4250-1)	Nessus	Ubuntu Local Security Checks	1/28/2020	10/20/2023	medium
156994	GLSA-202105-27 : MySQL: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	1/24/2022	1/16/2024	high
132957	MySQL 5.7.x < 5.7.29 Multiple Vulnerabilities (Jan 2020 CPU)	Nessus	Databases	1/16/2020	10/21/2022	critical
134835	Photon OS 1.0: Mysql PHSA-2020-1.0-0284	Nessus	PhotonOS Local Security Checks	3/24/2020	5/18/2022	medium
132958	MySQL 8.0.x < 8.0.19 Multiple Vulnerabilities (Jan 2020 CPU)	Nessus	Databases	1/16/2020	10/21/2022	critical
135872	Photon OS 3.0: Mysql PHSA-2020-3.0-0082	Nessus	PhotonOS Local Security Checks	4/22/2020	11/1/2023	medium

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