Oracle reports :

This Critical Patch Update contains 31 new security fixes for Oracle MySQL. 6 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a network without requiring user credentials.

The version of Oracle MySQL Connectors installed on the remote host is 8.0.x prior to 8.0.18 or 5.3.x prior to 5.3.14.
It is, therefore, affected by the following vulnerabilities as noted in the October 2019 Critical Patch Update advisory:

  - An unspecified, remote security vulnerability in the Connector/ODBC component of Oracle MySQL Connectors.
    (CVE-2019-2920)

  - A vulnerability in the OpenSSL subcomponent of the Connector/ODBC component of Oracle MySQL Connectors caused by the     ability to set variable nonce lengths in the ChaCha20-Poly1305 AEAD cipher. This could allow an unauthenticated,     remote attacker to affect data confidentiality and integrity. (CVE-2019-1543)

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

An update of the mysql package has been released.

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

MySQL has been updated to 8.0.18 in Ubuntu 19.10. Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 19.04 have been updated to MySQL 5.7.28.

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-5-7-28.html https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-18.html https://www.oracle.com/security-alerts/cpuoct2019.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.

ID	Name	Product	Family	Published	Updated	Severity
130496	FreeBSD : MySQL -- Multiple vulerabilities (fc91f2ef-fd7b-11e9-a1c7-b499baebfeaf)	Nessus	FreeBSD Local Security Checks	11/4/2019	4/16/2024	high
129974	Oracle MySQL Connectors Multiple Vulnerabilities (Oct 2019 CPU)	Nessus	Misc.	10/16/2019	4/11/2022	high
135872	Photon OS 3.0: Mysql PHSA-2020-3.0-0082	Nessus	PhotonOS Local Security Checks	4/22/2020	11/1/2023	medium
131161	Ubuntu 16.04 LTS / 18.04 LTS : MySQL vulnerabilities (USN-4195-1)	Nessus	Ubuntu Local Security Checks	11/20/2019	10/21/2023	medium

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