CVE-2023-34058

High

Description

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 .

SeverityHigh
CVSS7.1
Exploit probability—
ProductVmware Tools
PublishedOct 27, 2023
First seenOct 27, 2023
Weakness typeCWE-347CWE-347

How to fix

Update
  • vmware tools12.3.5 or later

Affected products

ProductAffected versionsFixed in
vmware tools10.3.0 ≤ v < 12.3.512.3.5
vmware open_vm_tools11.0.0 ≤ v ≤ 12.3.0—
debian debian_linux10.0, 11.0, 12.0—
fedoraproject fedora37, 38, 39—

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