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

Synopsis:          Important: Red Hat Advanced Cluster Management 2.2.9 security, bug, and container updates
Advisory ID:       RHSA-2021:3873-01
Product:           Red Hat ACM
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3873
Issue date:        2021-10-14
CVE Names:         CVE-2021-3653 CVE-2021-22922 CVE-2021-22923 
                   CVE-2021-22924 CVE-2021-23017 CVE-2021-23434 
                   CVE-2021-32626 CVE-2021-32627 CVE-2021-32628 
                   CVE-2021-32672 CVE-2021-32675 CVE-2021-32687 
                   CVE-2021-36222 CVE-2021-37750 CVE-2021-41099 
=====================================================================

1. Summary:

Red Hat Advanced Cluster Management for Kubernetes 2.2.9 General
Availability release images, which provide security updates, one or more
container updates, and bug fixes.

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 Advanced Cluster Management for Kubernetes 2.2.9 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 provide bug fixes and security fixes. 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/2.2/html/release_notes/

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)
 
* object-path: Type confusion vulnerability can lead to a bypass of
CVE-2020-15256 (CVE-2021-23434)

Bug fixes: 

* RHACM 2.2.9 images (BZ #1999601)

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/2.2/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
1999601 - RHACM 2.2.9 images
1999810 - CVE-2021-23434 object-path: Type confusion vulnerability can lead to a bypass of CVE-2020-15256
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-2021-3653
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-2021-23434
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-2021-36222
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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