Amazon Linux AMI : mysql56 (ALAS-2021-1464)

medium Nessus Plugin ID 145008

Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

The version of mysql56 installed on the remote host is prior to 5.6.50-1.38. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2021-1464 advisory.

- Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 and prior. Easily exploitable vulnerability allows high 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. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-14672)

- Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: FTS). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-14765)

- Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-14769)

- Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 and prior. Easily exploitable vulnerability allows high 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. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-14793)

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

Solution

Run 'yum update mysql56' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2021-1464.html

https://access.redhat.com/security/cve/CVE-2020-14672

https://access.redhat.com/security/cve/CVE-2020-14765

https://access.redhat.com/security/cve/CVE-2020-14769

https://access.redhat.com/security/cve/CVE-2020-14793

Plugin Details

Severity: Medium

ID: 145008

File Name: ala_ALAS-2021-1464.nasl

Version: 1.3

Type: local

Agent: unix

Published: 1/14/2021

Updated: 1/19/2021

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent

Risk Information

CVSS Score Source: CVE-2020-14765

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:mysql56, p-cpe:/a:amazon:linux:mysql56-bench, p-cpe:/a:amazon:linux:mysql56-common, p-cpe:/a:amazon:linux:mysql56-debuginfo, p-cpe:/a:amazon:linux:mysql56-devel, p-cpe:/a:amazon:linux:mysql56-embedded, p-cpe:/a:amazon:linux:mysql56-embedded-devel, p-cpe:/a:amazon:linux:mysql56-errmsg, p-cpe:/a:amazon:linux:mysql56-libs, p-cpe:/a:amazon:linux:mysql56-server, p-cpe:/a:amazon:linux:mysql56-test, cpe:/o:amazon:linux

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/12/2021

Vulnerability Publication Date: 10/20/2020

Reference Information

CVE: CVE-2020-14672, CVE-2020-14765, CVE-2020-14769, CVE-2020-14793

ALAS: 2021-1464