CVE-2023-34058

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 .

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory vmware.com
Affected: n/a VMware Tools
Affected: n/a open-vm-tools
Published at:
Updated at:

References

Link Tags
https://www.vmware.com/security/advisories/VMSA-2023-0024.html vendor advisory
http://www.openwall.com/lists/oss-security/2023/10/27/1 patch mailing list
https://www.debian.org/security/2023/dsa-5543 third party advisory
https://lists.debian.org/debian-lts-announce/2023/11/msg00002.html third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WLTKVTRKQW2GD2274H3UOW6XU4E62GSK/ third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7G77Z76CQPGUF7VHRA6O3UFCMPPR4O2/ third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MQUOFQL2SNNNMKROQ3TZQY4HEYMNOIBW/ third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2023-34058?
CVE-2023-34058 has been scored as a high severity vulnerability.
How to fix CVE-2023-34058?
To fix CVE-2023-34058, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-34058 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-34058 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-34058?
CVE-2023-34058 affects n/a VMware Tools, n/a open-vm-tools.
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