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CVE-2023-20867

Published: 13 June 2023

A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.

Notes

AuthorNote
mdeslaur
per upstream, this is a low-severity issue
an attacker must have root access on the host to exploit the
guest, which doesn't really give any extra privileges

Priority

Low

Cvss 3 Severity Score

3.9

Score breakdown

Status

Package Release Status
open-vm-tools
Launchpad, Ubuntu, Debian
bionic
Released (2:11.0.5-4ubuntu0.18.04.3+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
focal
Released (2:11.3.0-2ubuntu0~ubuntu20.04.5)
jammy
Released (2:12.1.5-3~ubuntu0.22.04.2)
kinetic Ignored
(end of life, was needed)
lunar
Released (2:12.1.5-3ubuntu0.23.04.1)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial
Released (2:10.2.0-3~ubuntu0.16.04.1+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)

Severity score breakdown

Parameter Value
Base score 3.9
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N