An Open VM Tools security update has been released for Ubuntu Linux 20.04 LTS, 22.04 LTS, 23.04, and 23.10.

[USN-6463-1] Open VM Tools vulnerabilities

==========================================================================
Ubuntu Security Notice USN-6463-1
October 31, 2023

open-vm-tools vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in Open VM Tools.

Software Description:
- open-vm-tools: Open VMware Tools for virtual machines hosted on VMware

Details:

It was discovered that Open VM Tools incorrectly handled SAML tokens. A
remote attacker Guest Operations privileges could possibly use this issue
to escalate privileges. (CVE-2023-34058)

Matthias Gerstner discovered that Open VM Tools incorrectly handled file
descriptors when dropping privileges. A local attacker could possibly use
this issue to hijack /dev/uinput and simulate user inputs. (CVE-2023-34059)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
open-vm-tools 2:12.3.0-1ubuntu0.1
open-vm-tools-desktop 2:12.3.0-1ubuntu0.1

Ubuntu 23.04:
open-vm-tools 2:12.1.5-3ubuntu0.23.04.3
open-vm-tools-desktop 2:12.1.5-3ubuntu0.23.04.3

Ubuntu 22.04 LTS:
open-vm-tools 2:12.1.5-3~ubuntu0.22.04.4
open-vm-tools-desktop 2:12.1.5-3~ubuntu0.22.04.4

Ubuntu 20.04 LTS:
open-vm-tools 2:11.3.0-2ubuntu0~ubuntu20.04.7
open-vm-tools-desktop 2:11.3.0-2ubuntu0~ubuntu20.04.7

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6463-1
CVE-2023-34058, CVE-2023-34059

Package Information:
https://launchpad.net/ubuntu/+source/open-vm-tools/2:12.3.0-1ubuntu0.1
https://launchpad.net/ubuntu/+source/open-vm-tools/2:12.1.5-3ubuntu0.23.04.3
https://launchpad.net/ubuntu/+source/open-vm-tools/2:12.1.5-3~ubuntu0.22.04.4

https://launchpad.net/ubuntu/+source/open-vm-tools/2:11.3.0-2ubuntu0~ubuntu20.04.7