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Fedora 39 Open-VM-Tools Update: Security Fix for Authentication Bypass

fedora
Calendar Grey September 15, 2023
Dist Fedora Esm H88
Patch for open-vm-tools available on Fedora addressing severe authentication loopholes and SAML flaws.
Package new upstream version of open-vm-tools-12.3.0-22234872

Summary

The open-vm-tools project is an open source implementation of VMware Tools. It

is a suite of open source virtualization utilities and drivers to improve the

functionality, user experience and administration of VMware virtual machines.

This package contains only the core user-space programs and libraries of

open-vm-tools.

Update Information:

Package new upstream version of open-vm-tools-12.3.0-22234872. Security fix for CVE-2023-20900, CVE-2023-20867

Topics%20covered

Topics Covered

security advisory fedora update critical authentication bypass open-vm-tools saml bypass

Change Log

* Sat Sep 9 2023 John Wolfe - 12.3.0-1 - Package new upstream version of open-vm-tools-12.3.0-22234872. - Fix for CVE-2023-20900 - a SAML token signature bypass vulnerability. - Fix for CVE-2023-20867 - an Authentication Bypass vulnerability. - Linux quiesced snapshots have been updated to avoid intermittent hangs of the vmtoolsd process. - File systems prefrozen by custom quiescing scripts must be listed on the "excludedFileSystems" setting in the "vmbackup" section of the tools.conf file. - A tools.conf configuration setting is available to temporaily direct Linux quiesced snaphots to restore pre open-vm-tools 12.2.0 behavior of ignoring file systems already frozen. - A number of Coverity reported issues have been addressed. - A number of GitHub issues and pull requests have been handled.

References


[ 1 ] Bug #2215553 - CVE-2023-20867 open-vm-tools: authentication bypass vulnerability in the vgauth module [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2215553 [ 2 ] Bug #2236578 - TRIAGE-CVE-2023-20900 open-vm-tools: SAML token signature bypass [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2236578 [ 3 ] Bug #2236603 - open-vm-tools version 12.3.0 has been released - please rebase https://bugzilla.redhat.com/show_bug.cgi?id=2236603

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2023-20b6ac4b6c' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
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Name: open-vm-tools
Product: Fedora 39
Version: 12.3.0
Release: 1.fc39
URL: https://github.com/vmware/open-vm-tools
Summary: Open Virtual Machine Tools for virtual machines hosted on VMware

Topics%20covered

Topics Covered

security advisory fedora update critical authentication bypass open-vm-tools saml bypass

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