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CVE-2023-34058

Published: 26 October 2023

VMware Tools contains a SAML token signature bypass vulnerability. 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 .

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
open-vm-tools
Launchpad, Ubuntu, Debian
trusty Needs triage

xenial
Released (2:10.2.0-3~ubuntu0.16.04.1+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic
Released (2:11.0.5-4ubuntu0.18.04.3+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

focal
Released (2:11.3.0-2ubuntu0~ubuntu20.04.7)
jammy
Released (2:12.1.5-3~ubuntu0.22.04.4)
lunar
Released (2:12.1.5-3ubuntu0.23.04.3)
mantic
Released (2:12.3.0-1ubuntu0.1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Adjacent
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H