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Ubuntu 23.04 USN-6365-1 Critical Open VM Tools Network Access Issue

ubuntu
Calendar Grey September 13, 2023
Dist Ubuntu Esm H88
A security flaw in Open VM Tools for Ubuntu may expose network services to unauthorized access. It is advised to perform an update for protection.
Open VM Tools could allow unintended access to network services.

Summary

Open VM Tools could allow unintended access to network services.

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 could possibly use this issue to bypass SAML token

signature verification and perform VMware Tools Guest Operations.

Topics%20covered

Topics Covered

security advisory critical ubuntu network access open vm tools

Update Instructions

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

Ubuntu 23.04:
   open-vm-tools                   2:12.1.5-3ubuntu0.23.04.2

Ubuntu 22.04 LTS:
   open-vm-tools                   2:12.1.5-3~ubuntu0.22.04.3

Ubuntu 20.04 LTS:
   open-vm-tools                   2:11.3.0-2ubuntu0~ubuntu20.04.6

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

References

https://ubuntu.com/security/notices/USN-6365-1

CVE-2023-20900

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6365-1

Topics%20covered

Topics Covered

security advisory critical ubuntu network access open vm tools

Package Information

https://launchpad.net/ubuntu/+source/open-vm-tools/2:12.1.5-3ubuntu0.23.04.2
https://launchpad.net/ubuntu/+source/open-vm-tools/2:12.1.5-3~ubuntu0.22.04.3
https://launchpad.net/ubuntu/+source/open-vm-tools/2:11.3.0-2ubuntu0~ubuntu20.04.6

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