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Red Hat Security Advisory 2023-4835-01

Red Hat Security Advisory 2023-4835-01
Posted Aug 29, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4835-01 - Red Hat OpenShift support for Windows Containers allows you to deploy Windows container workloads running on Windows Server containers. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat, windows
advisories | CVE-2023-3676, CVE-2023-3955
SHA-256 | 7d5fb7a904d0639e338b71274e76ed0da2872dc277b1ffefea5a9c601cec7d2f

Red Hat Security Advisory 2023-4835-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Important: Red Hat OpenShift support for Windows Containers 5.1.2 security update
Advisory ID: RHSA-2023:4835-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4835
Issue date: 2023-08-29
CVE Names: CVE-2023-3676 CVE-2023-3955
=====================================================================

1. Summary:

The components for Red Hat OpenShift support for Windows Containers 5.1.2
are now available. This product release includes bug fixes and security
updates for the following packages: windows-machine-config-operator and
windows-machine-config-operator-bundle.

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. Description:

Red Hat OpenShift support for Windows Containers allows you to deploy
Windows container workloads running on Windows Server containers.

Security Fix(es):

* kubernetes: Insufficient input sanitization on Windows nodes leads to
privilege escalation (CVE-2023-3676)

* kubernetes: Insufficient input sanitization on Windows nodes leads to
privilege escalation (CVE-2023-3955)

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

3. Solution:

For Windows Machine Config Operator upgrades, see the following
documentation:
https://docs.openshift.com/container-platform/latest/windows_containers/windows-node-upgrades.html

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

2227126 - CVE-2023-3676 kubernetes: Insufficient input sanitization on Windows nodes leads to privilege escalation
2227128 - CVE-2023-3955 kubernetes: Insufficient input sanitization on Windows nodes leads to privilege escalation

5. References:

https://access.redhat.com/security/cve/CVE-2023-3676
https://access.redhat.com/security/cve/CVE-2023-3955
https://access.redhat.com/security/updates/classification/#important

6. 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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