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USN-6463-1: Open VM Tools vulnerabilities

31 October 2023

Several security issues were fixed in Open VM Tools.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

  • 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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.10
Ubuntu 23.04
Ubuntu 22.04
Ubuntu 20.04

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

Related notices

  • USN-6463-2: open-vm-tools-dev, open-vm-tools-desktop, open-vm-tools