Vulnerability in Microsoft Windows
CVE-2023-34058
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 .
EPSS: 0.007 (49.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows
- Vmware Open_vm_tools
- Vmware Tools
- Debian Debian_linux — versions 10.0, 11.0, 12.0
- Fedoraproject Fedora — versions 37, 38, 39
- N/a Open-vm-tools — versions 11.0.0
- N/a Vmware Tools — versions 12.x.x, 11.x.x, 10.3.x
Weakness classification (CWE)
References
- security@vmware.com (Vendor Advisory)
- security@vmware.com (Patch, Mailing List)
- security@vmware.com (Third Party Advisory)
- security@vmware.com (Mailing List, Third Party Advisory)
- security@vmware.com (Mailing List, Third Party Advisory)
- security@vmware.com (Mailing List, Third Party Advisory)
- security@vmware.com (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-34058?
- CVE-2023-34058 is a high-severity vulnerability in Microsoft Windows, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.1/10. Published 2023-10-27.
- How severe is CVE-2023-34058?
- High severity. CVSS v3 base score is 7.1 out of 10.