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Red Hat Security Advisory

Synopsis:          Important: open-vm-tools security update
Advisory ID:       RHSA-2023:5216-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:5216
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
8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4
Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update
Services for SAP Solutions.

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 AUS (v.8.4) - x86_64
Red Hat Enterprise Linux AppStream E4S (v.8.4) - x86_64
Red Hat Enterprise Linux AppStream TUS (v.8.4) - 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 AUS (v.8.4):

Source:
open-vm-tools-11.2.0-2.el8_4.3.src.rpm

x86_64:
open-vm-tools-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-debugsource-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-desktop-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-desktop-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-sdmp-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-sdmp-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-test-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm

Red Hat Enterprise Linux AppStream E4S (v.8.4):

Source:
open-vm-tools-11.2.0-2.el8_4.3.src.rpm

x86_64:
open-vm-tools-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-debugsource-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-desktop-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-desktop-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-sdmp-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-sdmp-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-test-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm

Red Hat Enterprise Linux AppStream TUS (v.8.4):

Source:
open-vm-tools-11.2.0-2.el8_4.3.src.rpm

x86_64:
open-vm-tools-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-debugsource-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-desktop-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-desktop-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-sdmp-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-sdmp-debuginfo-11.2.0-2.el8_4.3.x86_64.rpm
open-vm-tools-test-debuginfo-11.2.0-2.el8_4.3.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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