Detections
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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.

 - A malicious actor that has been granted Guest Operation Privileges https://docs.vmware.com/en/VMware- vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias https://vdc-download.vmware.com/vmwb-repository/dcr- public/d1902b0e-d479-46bf-8ac9-cee0e31e8ec0/07ce8dbd- db48-4261-9b8f-c6d3ad8ba472/vim.vm.guest.AliasManager.html . (CVE-2023-20900)

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: 1.1

Type: local

Agent: unix

Published: 9/20/2023

Updated: 11/2/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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, p-cpe:/a:amazon:linux:open-vm-tools-debuginfo, p-cpe:/a:amazon:linux:open-vm-tools-desktop, p-cpe:/a:amazon:linux:open-vm-tools-devel, p-cpe:/a:amazon:linux:open-vm-tools-salt-minion, p-cpe:/a:amazon:linux:open-vm-tools-sdmp, p-cpe:/a:amazon:linux:open-vm-tools-test, cpe:/o:amazon:linux:2

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