1. Ubuntu Security Notices
  2. USN-6365-2

USN-6365-2: Open VM Tools vulnerability

Publication date

25 September 2023

Overview

Open VM Tools could allow unintended access to network services.

Releases

Packages

  • open-vm-tools - Open VMware Tools for virtual machines hosted on VMware

Details

USN-6365-1 fixed a vulnerability in Open VM Tools. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that Open VM Tools incorrectly handled SAML tokens. A
remote attacker could possibly use this issue to bypass SAML token
signature verification and perform VMware Tools Guest Operations.

USN-6365-1 fixed a vulnerability in Open VM Tools. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that Open VM Tools incorrectly handled SAML tokens. A
remote attacker could possibly use this issue to bypass SAML token
signature verification and perform VMware Tools Guest Operations.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic open-vm-tools –  2:11.0.5-4ubuntu0.18.04.3+esm2  
16.04 xenial open-vm-tools –  2:10.2.0-3~ubuntu0.16.04.1+esm3  

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References

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