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Improper Verification of Cryptographic Signature Affecting open-vm-tools package, versions <2:11.3.0-2ubuntu0~ubuntu20.04.7

Severity

medium

    Threat Intelligence

    EPSS
    0.11% (45th percentile)

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  • Snyk ID SNYK-UBUNTU2004-OPENVMTOOLS-6037960
  • published 27 Oct 2023
  • disclosed 27 Oct 2023
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Introduced: 27 Oct 2023

CVE-2023-34058 Open this link in a new tab
CWE-347 Open this link in a new tab

How to fix?

Upgrade Ubuntu:20.04 open-vm-tools to version 2:11.3.0-2ubuntu0~ubuntu20.04.7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream open-vm-tools package and not the open-vm-tools package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

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 .

CVSS Scores

version 3.1
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Snyk

7.5 medium
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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NVD

7.5 high
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SUSE

7.5 high
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Red Hat

7.5 high