MySQL 5.6.x < 5.6.49 Multiple Vulnerabilities (Jul 2020 CPU)

medium Nessus Plugin ID 138571

Synopsis

The remote database server is affected by multiple vulnerabilities.

Description

The version of MySQL running on the remote host is 5.6.x prior to and including 5.6.48. It is, therefore, affected by multiple vulnerabilities, including the following, as noted in the July 2020 Critical Patch Update advisory:

- A vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server.
Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. (CVE-2020-14539)

- Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 and prior. Difficult to exploit vulnerability allows low privileged 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-2020-14550)

- Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/C++ (OpenSSL)).
Supported versions that are affected are 8.0.20 and prior. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. (CVE-2020-1967)

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

Solution

Upgrade to MySQL version 5.6.49 or later.

See Also

http://www.nessus.org/u?dc7b9bd1

Plugin Details

Severity: Medium

ID: 138571

File Name: mysql_5_6_49.nasl

Version: 1.5

Type: combined

Agent: windows, macosx, unix

Family: Databases

Published: 7/17/2020

Updated: 5/19/2021

Supported Sensors: Nessus Agent

Risk Information

CVSS Score Source: CVE-2020-14559

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N

Temporal Vector: E:POC/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:oracle:mysql

Required KB Items: installed_sw/MySQL Server

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/14/2020

Vulnerability Publication Date: 7/14/2020

Reference Information

CVE: CVE-2020-1967, CVE-2020-14539, CVE-2020-14550, CVE-2020-14559

IAVA: 2020-A-0321