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

Synopsis:          Important: Red Hat Advanced Cluster Management 2.3.3 bug fix, security, and image updates
Advisory ID:       RHSA-2021:3925-01
Product:           Red Hat ACM
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3925
Issue date:        2021-10-19
CVE Names:         CVE-2016-4658 CVE-2020-25648 CVE-2021-3653 
                   CVE-2021-3656 CVE-2021-21670 CVE-2021-21671 
                   CVE-2021-22543 CVE-2021-22922 CVE-2021-22923 
                   CVE-2021-22924 CVE-2021-23017 CVE-2021-23840 
                   CVE-2021-23841 CVE-2021-25741 CVE-2021-32626 
                   CVE-2021-32627 CVE-2021-32628 CVE-2021-32672 
                   CVE-2021-32675 CVE-2021-32687 CVE-2021-32690 
                   CVE-2021-36222 CVE-2021-37576 CVE-2021-37750 
                   CVE-2021-41099 
=====================================================================

1. Summary:

Red Hat Advanced Cluster Management for Kubernetes 2.3.3 General
Availability release images, which fix bugs, provide security fixes, and
update container images.

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 links in the References section.

2. Description:

Red Hat Advanced Cluster Management for Kubernetes 2.3.3 images

Red Hat Advanced Cluster Management for Kubernetes provides the
capabilities to address common challenges that administrators and site
reliability engineers face as they work across a range of public and
private cloud environments. Clusters and applications are all visible and
managed from a single console—with
security policy built in.

This advisory contains the container images for Red Hat Advanced Cluster
Management for Kubernetes, which fix several bugs and provide security
updates. See the following Release Notes documentation, which will be
updated shortly for this release, for additional details about this
release:

https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_mana
gement_for_kubernetes/2.3/html/release_notes/

Note: Because Red Hat OpenShift Container Platform version 4.9 was just
released, the functional testing of the compatibility between Red Hat
Advanced Cluster Management 2.3.3 and Red Hat OpenShift Container Platform
version 4.9 is still in progress.

Security fixes: 

* nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a
pointer to a root domain name (CVE-2021-23017)

* redis: Lua scripts can overflow the heap-based Lua stack (CVE-2021-32626)

* redis: Integer overflow issue with Streams (CVE-2021-32627)

* redis: Integer overflow bug in the ziplist data structure
(CVE-2021-32628)

* redis: Integer overflow issue with intsets (CVE-2021-32687)

* redis: Integer overflow issue with strings (CVE-2021-41099)

* redis: Out of bounds read in lua debugger protocol parser
(CVE-2021-32672)

* redis: Denial of service via Redis Standard Protocol (RESP) request
(CVE-2021-32675)

* helm: information disclosure vulnerability (CVE-2021-32690)

Bug fixes:

* KUBE-API: Support move agent to different cluster in the same namespace
(BZ# 1977358)

* Add columns to the Agent CRD list (BZ# 1977398)

* ClusterDeployment controller watches all Secrets from all namespaces (BZ#
1986081)

* RHACM 2.3.3 images (BZ# 1999365)

* Workaround for Network Manager not supporting nmconnections priority (BZ#
2001294)

* create cluster page empty in Safary Browser (BZ# 2002280)

* Compliance state doesn't get updated after fixing the issue causing
initially the policy not being able to update the managed object (BZ#
2002667)

* Overview page displays VMware based managed cluster as other (BZ#
2004188)

3. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

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

https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_mana
gement_for_kubernetes/2.3/html-single/install/index#installing

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

1963121 - CVE-2021-23017 nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name
1977358 - [4.8.0] KUBE-API: Support move agent to different cluster in the same namespace
1977398 - [4.8.0] [master] Add columns to the Agent CRD list
1978144 - CVE-2021-32690 helm: information disclosure vulnerability
1986081 - [4.8.0] ClusterDeployment controller watches all Secrets from all namespaces
1999365 - RHACM 2.3.3 images
2001294 - [4.8.0] Workaround for Network Manager not supporting nmconnections priority
2002280 - create cluster page empty in Safary Browser
2002667 - Compliance state doesn't get updated after fixing the issue causing initially the policy not being able to update the managed object
2004188 - Overview page displays VMware based managed cluster as other
2010991 - CVE-2021-32687 redis: Integer overflow issue with intsets
2011000 - CVE-2021-32675 redis: Denial of service via Redis Standard Protocol (RESP) request
2011001 - CVE-2021-32672 redis: Out of bounds read in lua debugger protocol parser
2011004 - CVE-2021-32628 redis: Integer overflow bug in the ziplist data structure
2011010 - CVE-2021-32627 redis: Integer overflow issue with Streams
2011017 - CVE-2021-32626 redis: Lua scripts can overflow the heap-based Lua stack
2011020 - CVE-2021-41099 redis: Integer overflow issue with strings

5. References:

https://access.redhat.com/security/cve/CVE-2016-4658
https://access.redhat.com/security/cve/CVE-2020-25648
https://access.redhat.com/security/cve/CVE-2021-3653
https://access.redhat.com/security/cve/CVE-2021-3656
https://access.redhat.com/security/cve/CVE-2021-21670
https://access.redhat.com/security/cve/CVE-2021-21671
https://access.redhat.com/security/cve/CVE-2021-22543
https://access.redhat.com/security/cve/CVE-2021-22922
https://access.redhat.com/security/cve/CVE-2021-22923
https://access.redhat.com/security/cve/CVE-2021-22924
https://access.redhat.com/security/cve/CVE-2021-23017
https://access.redhat.com/security/cve/CVE-2021-23840
https://access.redhat.com/security/cve/CVE-2021-23841
https://access.redhat.com/security/cve/CVE-2021-25741
https://access.redhat.com/security/cve/CVE-2021-32626
https://access.redhat.com/security/cve/CVE-2021-32627
https://access.redhat.com/security/cve/CVE-2021-32628
https://access.redhat.com/security/cve/CVE-2021-32672
https://access.redhat.com/security/cve/CVE-2021-32675
https://access.redhat.com/security/cve/CVE-2021-32687
https://access.redhat.com/security/cve/CVE-2021-32690
https://access.redhat.com/security/cve/CVE-2021-36222
https://access.redhat.com/security/cve/CVE-2021-37576
https://access.redhat.com/security/cve/CVE-2021-37750
https://access.redhat.com/security/cve/CVE-2021-41099
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 2021 Red Hat, Inc.
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