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

Synopsis:          Moderate: OpenShift Container Platform 4.13.3 bug fix and security update
Advisory ID:       RHSA-2023:3540-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:3540
Issue date:        2023-06-13
CVE Names:         CVE-2023-24534 CVE-2023-24536 CVE-2023-24537 
                   CVE-2023-24538 CVE-2023-24539 CVE-2023-29400 
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 4.13.3 is now available with
updates to packages and images that fix several bugs and add enhancements.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 OpenShift Container Platform 4.13 - noarch, x86_64

3. Description:

Red Hat build of MicroShift is Red Hat's light-weight Kubernetes
orchestration solution designed for edge device deployments and is built
from the edge capabilities of Red Hat OpenShift. MicroShift is an
application that is deployed on top of Red Hat Enterprise Linux devices at
the edge, providing an efficient way to operate single-node clusters in
these low-resource environments.

This advisory contains the RPM packages for Red Hat build of MicroShift
4.13.3. Read the following advisory for the container images for this
release:

https://access.redhat.com/errata/RHSA-2023:3537

Red Hat OpenShift Container Platform is Red Hat's cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.

Security Fix(es):

* golang: net/http, net/textproto: denial of service from excessive memory
allocation (CVE-2023-24534)

* golang: net/http, net/textproto, mime/multipart: denial of service from
excessive resource consumption (CVE-2023-24536)

* golang: go/parser: Infinite loop in parsing (CVE-2023-24537)

* golang: html/template: backticks not treated as string delimiters
(CVE-2023-24538)

* golang: html/template: improper sanitization of CSS values
(CVE-2023-24539)

* golang: html/template: improper handling of empty HTML attributes
(CVE-2023-29400)

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.

All of the bug fixes may not be documented in this advisory. Read the
following release notes documentation for details about these changes:

https://access.redhat.com/documentation/en-us/microshift/4.13/html/release_notes/index

All Red Hat build of MicroShift 4.13 users are advised to use these updated
packages and images when they are available in the RPM repository.

4. Solution:

For details on how to apply this update, refer to:

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

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

2184481 - CVE-2023-24538 golang: html/template: backticks not treated as string delimiters
2184482 - CVE-2023-24536 golang: net/http, net/textproto, mime/multipart: denial of service from excessive resource consumption
2184483 - CVE-2023-24534 golang: net/http, net/textproto: denial of service from excessive memory allocation
2184484 - CVE-2023-24537 golang: go/parser: Infinite loop in parsing
2196026 - CVE-2023-24539 golang: html/template: improper sanitization of CSS values
2196029 - CVE-2023-29400 golang: html/template: improper handling of empty HTML attributes

6. JIRA issues fixed (https://issues.redhat.com/):

OCPBUGS-13548 - ovnk fails to run on a disconnected MicroShift instance (no default route)
OCPBUGS-14276 - MicroShift 4.13 fails to build after including Kubernetes bump to 1.26.5

7. Package List:

Red Hat OpenShift Container Platform 4.13:

Source:
microshift-4.13.3-202306081201.p0.g16708cc.assembly.4.13.3.el9.src.rpm

noarch:
microshift-release-info-4.13.3-202306081201.p0.g16708cc.assembly.4.13.3.el9.noarch.rpm
microshift-selinux-4.13.3-202306081201.p0.g16708cc.assembly.4.13.3.el9.noarch.rpm

x86_64:
microshift-4.13.3-202306081201.p0.g16708cc.assembly.4.13.3.el9.x86_64.rpm
microshift-networking-4.13.3-202306081201.p0.g16708cc.assembly.4.13.3.el9.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/

8. References:

https://access.redhat.com/security/cve/CVE-2023-24534
https://access.redhat.com/security/cve/CVE-2023-24536
https://access.redhat.com/security/cve/CVE-2023-24537
https://access.redhat.com/security/cve/CVE-2023-24538
https://access.redhat.com/security/cve/CVE-2023-24539
https://access.redhat.com/security/cve/CVE-2023-29400
https://access.redhat.com/security/updates/classification/#moderate

9. 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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