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Amazon Linux 2023: CVE-2023-20900: Important priority package update for open-vm-tools

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Amazon Linux 2023: CVE-2023-20900: Important priority package update for open-vm-tools

Severity
6
CVSS
(AV:A/AC:H/Au:S/C:C/I:C/A:C)
Published
08/31/2023
Created
02/14/2025
Added
02/14/2025
Modified
02/14/2025

Description

A malicious actor that has been grantedGuest 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 privilegedGuest 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 . An improper signature verification flaw was found in open-vm-tools that may lead to a bypass of SAML token signature. A malicious actor that has been granted Guest Operation Privileges 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.

Solution(s)

  • amazon-linux-2023-upgrade-open-vm-tools
  • amazon-linux-2023-upgrade-open-vm-tools-debuginfo
  • amazon-linux-2023-upgrade-open-vm-tools-debugsource
  • amazon-linux-2023-upgrade-open-vm-tools-desktop
  • amazon-linux-2023-upgrade-open-vm-tools-desktop-debuginfo
  • amazon-linux-2023-upgrade-open-vm-tools-devel
  • amazon-linux-2023-upgrade-open-vm-tools-salt-minion
  • amazon-linux-2023-upgrade-open-vm-tools-sdmp
  • amazon-linux-2023-upgrade-open-vm-tools-sdmp-debuginfo
  • amazon-linux-2023-upgrade-open-vm-tools-test
  • amazon-linux-2023-upgrade-open-vm-tools-test-debuginfo

References

  • https://attackerkb.com/topics/cve-2023-20900
  • CVE - 2023-20900
  • https://alas.aws.amazon.com/AL2023/ALAS-2023-350.html
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