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Amazon Linux AMI : mysql56 (ALAS-2020-1402)

medium Nessus Plugin ID 139083

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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 5.6.49-1.37. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1402 advisory.

 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-2763)

 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 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 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-2780)

 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Memcached). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 and prior. Difficult to exploit vulnerability allows unauthenticated 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 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-2804)

 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-2812)

 Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.6.47 and prior, 5.7.28 and prior and 8.0.18 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2020-2814)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues 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://access.redhat.com/security/cve/CVE-2020-2763

https://access.redhat.com/security/cve/CVE-2020-2780

https://access.redhat.com/security/cve/CVE-2020-2804

https://access.redhat.com/security/cve/CVE-2020-2812

https://access.redhat.com/security/cve/CVE-2020-2814

https://alas.aws.amazon.com/ALAS-2020-1402.html

Plugin Details

Severity: Medium

ID: 139083

File Name: ala_ALAS-2020-1402.nasl

Version: 1.5

Type: local

Agent: unix

Published: 7/30/2020

Updated: 12/11/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-2804

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: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2020-2780

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/29/2020

Vulnerability Publication Date: 4/15/2020

Reference Information

CVE: CVE-2020-2763, CVE-2020-2780, CVE-2020-2804, CVE-2020-2812, CVE-2020-2814

ALAS: 2020-1402