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Amazon Linux 2 : open-vm-tools (ALAS-2023-2250)

high Nessus Plugin ID 181707

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of open-vm-tools installed on the remote host is prior to 12.3.0-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2250 advisory.

 VMware Tools contains a SAML token signature bypass vulnerability. A malicious actor with man-in-the- middle (MITM) network positioning between vCenter server and the virtual machine may be able to bypass SAML token signature verification, to perform VMware Tools Guest Operations. (CVE-2023-20900)

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

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 open-vm-tools' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2023-2250.html

https://alas.aws.amazon.com/cve/html/CVE-2023-20900.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: High

ID: 181707

File Name: al2_ALAS-2023-2250.nasl

Version: 1.2

Type: local

Agent: unix

Published: 9/20/2023

Updated: 12/11/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-20900

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:open-vm-tools-sdmp, p-cpe:/a:amazon:linux:open-vm-tools-desktop, p-cpe:/a:amazon:linux:open-vm-tools-salt-minion, p-cpe:/a:amazon:linux:open-vm-tools-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:open-vm-tools-test, p-cpe:/a:amazon:linux:open-vm-tools-devel, p-cpe:/a:amazon:linux:open-vm-tools

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/13/2023

Vulnerability Publication Date: 8/31/2023

Reference Information

CVE: CVE-2023-20900

IAVA: 2023-A-0450-S