USN-6257-1: Open VM Tools vulnerability

Published Jul 27, 2023
·
Updated

It was discovered that Open VM Tools incorrectly handled certain authentication requests. A fully compromised ESXi host can force Open VM Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine. (CVE-2023-20867)

Affected Software

10 affected componentsFixes available
All of the following
ubuntu/open-vm-tools<2:12.1.5-3ubuntu0.23.04.1
2:12.1.5-3ubuntu0.23.04.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/open-vm-tools<2:12.1.5-3~ubuntu0.22.04.2
2:12.1.5-3~ubuntu0.22.04.2
Ubuntu Ubuntu=22.04
All of the following
ubuntu/open-vm-tools<2:11.3.0-2ubuntu0~ubuntu20.04.5
2:11.3.0-2ubuntu0~ubuntu20.04.5
Ubuntu Ubuntu=20.04
All of the following
ubuntu/open-vm-tools<2:11.0.5-4ubuntu0.18.04.3+esm1
2:11.0.5-4ubuntu0.18.04.3+esm1
Ubuntu Ubuntu=18.04
All of the following
ubuntu/open-vm-tools<2:10.2.0-3~ubuntu0.16.04.1+esm2
2:10.2.0-3~ubuntu0.16.04.1+esm2
Ubuntu Ubuntu=16.04

Event History

Jul 27, 2023
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID of USN-6257-1?

The vulnerability ID of USN-6257-1 is CVE-2023-20867.

2

What is the impact of CVE-2023-20867?

CVE-2023-20867 can allow a fully compromised ESXi host to force Open VM Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.

3

How can I fix the Open VM Tools vulnerability in Ubuntu 23.04?

To fix the Open VM Tools vulnerability in Ubuntu 23.04, update the package to version 2:12.1.5-3ubuntu0.23.04.1.

4

How can I fix the Open VM Tools vulnerability in Ubuntu 22.04?

To fix the Open VM Tools vulnerability in Ubuntu 22.04, update the package to version 2:12.1.5-3~ubuntu0.22.04.2.

5

How can I fix the Open VM Tools vulnerability in Ubuntu 20.04?

To fix the Open VM Tools vulnerability in Ubuntu 20.04, update the package to version 2:11.3.0-2ubuntu0~ubuntu20.04.5.

6

How can I fix the Open VM Tools vulnerability in Ubuntu 18.04?

To fix the Open VM Tools vulnerability in Ubuntu 18.04, update the package to version 2:11.0.5-4ubuntu0.18.04.3+esm1.

7

How can I fix the Open VM Tools vulnerability in Ubuntu 16.04?

To fix the Open VM Tools vulnerability in Ubuntu 16.04, update the package to version 2:10.2.0-3~ubuntu0.16.04.1+esm2.

Contact

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