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====================================================================                   
Red Hat Security Advisory

Synopsis:          Important: open-vm-tools security update
Advisory ID:       RHSA-2023:5220-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:5220
Issue date:        2023-09-19
CVE Names:         CVE-2023-20900
====================================================================
1. Summary:

An update for open-vm-tools is now available for Red Hat Enterprise Linux
8.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream EUS (v.8.6) - x86_64

3. Description:

The Open Virtual Machine Tools are the open source implementation of the
VMware Tools. They are a set of guest operating system virtualization
components that enhance performance and user experience of virtual
machines.

Security Fix(es):

* open-vm-tools: SAML token signature bypass (CVE-2023-20900)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

2236542 - CVE-2023-20900 open-vm-tools: SAML token signature bypass

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v.8.6):

Source:
open-vm-tools-11.3.5-1.el8_6.4.src.rpm

x86_64:
open-vm-tools-11.3.5-1.el8_6.4.x86_64.rpm
open-vm-tools-debuginfo-11.3.5-1.el8_6.4.x86_64.rpm
open-vm-tools-debugsource-11.3.5-1.el8_6.4.x86_64.rpm
open-vm-tools-desktop-11.3.5-1.el8_6.4.x86_64.rpm
open-vm-tools-desktop-debuginfo-11.3.5-1.el8_6.4.x86_64.rpm
open-vm-tools-sdmp-11.3.5-1.el8_6.4.x86_64.rpm
open-vm-tools-sdmp-debuginfo-11.3.5-1.el8_6.4.x86_64.rpm
open-vm-tools-test-debuginfo-11.3.5-1.el8_6.4.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2023-20900
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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