CVE-2023-20900
Published: 31 August 2023
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 .
Priority
Status
| Package | Release | Status |
|---|---|---|
|
open-vm-tools Launchpad, Ubuntu, Debian |
bionic |
Released
(2:11.0.5-4ubuntu0.18.04.3+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
| focal |
Released
(2:11.3.0-2ubuntu0~ubuntu20.04.6)
|
|
| jammy |
Released
(2:12.1.5-3~ubuntu0.22.04.3)
|
|
| lunar |
Released
(2:12.1.5-3ubuntu0.23.04.2)
|
|
| mantic |
Released
(2:12.2.5-1ubuntu1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(12.3.0)
|
|
| xenial |
Released
(2:10.2.0-3~ubuntu0.16.04.1+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
|
Patches: upstream: https://github.com/vmware/open-vm-tools/commit/74b6d0d9000eda1a2c8f31c40c725fb0b8520b16 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Adjacent |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
- https://www.vmware.com/security/advisories/VMSA-2023-0019
- https://github.com/vmware/open-vm-tools/tree/CVE-2023-20900.patch
- https://ubuntu.com/security/notices/USN-6365-1
- https://ubuntu.com/security/notices/USN-6365-2
- https://www.cve.org/CVERecord?id=CVE-2023-20900
- NVD
- Launchpad
- Debian