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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.2735
            OpenShift Container Platform 4.6.42 security update
                              12 August 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           OpenShift Container Platform 4.6.42
Publisher:         Red Hat
Operating System:  Red Hat
Impact/Access:     Denial of Service              -- Remote/Unauthenticated      
                   Provide Misleading Information -- Remote/Unauthenticated      
                   Reduced Security               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-34558 CVE-2021-33198 CVE-2021-33197
                   CVE-2021-33195  

Reference:         ESB-2021.2681
                   ESB-2021.2442
                   ESB-2021.2255

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2021:3009

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

Synopsis:          Moderate: OpenShift Container Platform 4.6.42 security update
Advisory ID:       RHSA-2021:3009-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3009
Issue date:        2021-08-12
CVE Names:         CVE-2021-33195 CVE-2021-33197 CVE-2021-33198 
                   CVE-2021-34558 
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 4.6.42 is now available with
updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container
Platform 4.6.

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 4.6 - noarch, ppc64le, s390x, x86_64

3. Description:

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

This advisory contains the RPM packages for Red Hat OpenShift Container
Platform 4.6.42. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHBA-2021:3008

Security Fix(es):

* net: lookup functions may return invalid host names(CVE-2021-33195)

* net/http/httputil: ReverseProxy forwards connection headers if first one
is empty (CVE-2021-33197)

* math/big.Rat: may cause a panic or an unrecoverable fatal error if passed
inputs with very large exponents (CVE-2021-33198)

* crypto/tls: certificate of wrong type is causing TLS client to
panic(CVE-2021-34558)

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 OpenShift Container Platform 4.6 users are advised to upgrade to these
updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift Console
or the CLI oc command. Instructions for upgrading a cluster are available
at
https://docs.openshift.com/container-platform/4.6/updating/updating-cluster
- - -between-minor.html#understanding-upgrade-channels_updating-cluster-between
- - -minor

4. Solution:

For OpenShift Container Platform 4.6 see the following documentation, which
will be updated shortly for this release, for important instructions on how
to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.openshift.com/container-platform/4.6/release_notes/ocp-4-6-rel
ease-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.6/updating/updating-cluster
- - -cli.html

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

1983596 - CVE-2021-34558 golang: crypto/tls: certificate of wrong type is causing TLS client to panic
1989564 - CVE-2021-33195 golang: net: lookup functions may return invalid host names
1989570 - CVE-2021-33197 golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty
1989575 - CVE-2021-33198 golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents
1989867 - Placeholder bug for OCP 4.6.0 rpm release

6. Package List:

Red Hat OpenShift Container Platform 4.6:

Source:
cri-o-1.19.3-8.rhaos4.6.git0fa2911.el7.src.rpm
openshift-4.6.0-202107292126.p0.git.4c3480d.el7.src.rpm
openshift-ansible-4.6.0-202107292126.p0.git.4ec6967.el7.src.rpm
openshift-clients-4.6.0-202107292126.p0.git.2b525e8.el7.src.rpm

noarch:
openshift-ansible-4.6.0-202107292126.p0.git.4ec6967.el7.noarch.rpm
openshift-ansible-test-4.6.0-202107292126.p0.git.4ec6967.el7.noarch.rpm

x86_64:
cri-o-1.19.3-8.rhaos4.6.git0fa2911.el7.x86_64.rpm
cri-o-debuginfo-1.19.3-8.rhaos4.6.git0fa2911.el7.x86_64.rpm
openshift-clients-4.6.0-202107292126.p0.git.2b525e8.el7.x86_64.rpm
openshift-clients-redistributable-4.6.0-202107292126.p0.git.2b525e8.el7.x86_64.rpm
openshift-hyperkube-4.6.0-202107292126.p0.git.4c3480d.el7.x86_64.rpm

Red Hat OpenShift Container Platform 4.6:

Source:
atomic-openshift-service-idler-4.6.0-202107291238.p0.git.39cfc66.el8.src.rpm
cri-o-1.19.3-8.rhaos4.6.git0fa2911.el8.src.rpm
ignition-2.6.0-8.rhaos4.6.git947598e.el8.src.rpm
openshift-4.6.0-202107292126.p0.git.4c3480d.el8.src.rpm
openshift-clients-4.6.0-202107292126.p0.git.2b525e8.el8.src.rpm
openshift-kuryr-4.6.0-202107300032.p0.git.0063daa.el8.src.rpm

noarch:
openshift-kuryr-cni-4.6.0-202107300032.p0.git.0063daa.el8.noarch.rpm
openshift-kuryr-common-4.6.0-202107300032.p0.git.0063daa.el8.noarch.rpm
openshift-kuryr-controller-4.6.0-202107300032.p0.git.0063daa.el8.noarch.rpm
python3-kuryr-kubernetes-4.6.0-202107300032.p0.git.0063daa.el8.noarch.rpm

ppc64le:
atomic-openshift-service-idler-4.6.0-202107291238.p0.git.39cfc66.el8.ppc64le.rpm
cri-o-1.19.3-8.rhaos4.6.git0fa2911.el8.ppc64le.rpm
cri-o-debuginfo-1.19.3-8.rhaos4.6.git0fa2911.el8.ppc64le.rpm
cri-o-debugsource-1.19.3-8.rhaos4.6.git0fa2911.el8.ppc64le.rpm
ignition-2.6.0-8.rhaos4.6.git947598e.el8.ppc64le.rpm
ignition-debuginfo-2.6.0-8.rhaos4.6.git947598e.el8.ppc64le.rpm
ignition-debugsource-2.6.0-8.rhaos4.6.git947598e.el8.ppc64le.rpm
ignition-validate-2.6.0-8.rhaos4.6.git947598e.el8.ppc64le.rpm
ignition-validate-debuginfo-2.6.0-8.rhaos4.6.git947598e.el8.ppc64le.rpm
openshift-clients-4.6.0-202107292126.p0.git.2b525e8.el8.ppc64le.rpm
openshift-hyperkube-4.6.0-202107292126.p0.git.4c3480d.el8.ppc64le.rpm

s390x:
atomic-openshift-service-idler-4.6.0-202107291238.p0.git.39cfc66.el8.s390x.rpm
cri-o-1.19.3-8.rhaos4.6.git0fa2911.el8.s390x.rpm
cri-o-debuginfo-1.19.3-8.rhaos4.6.git0fa2911.el8.s390x.rpm
cri-o-debugsource-1.19.3-8.rhaos4.6.git0fa2911.el8.s390x.rpm
ignition-2.6.0-8.rhaos4.6.git947598e.el8.s390x.rpm
ignition-debuginfo-2.6.0-8.rhaos4.6.git947598e.el8.s390x.rpm
ignition-debugsource-2.6.0-8.rhaos4.6.git947598e.el8.s390x.rpm
ignition-validate-2.6.0-8.rhaos4.6.git947598e.el8.s390x.rpm
ignition-validate-debuginfo-2.6.0-8.rhaos4.6.git947598e.el8.s390x.rpm
openshift-clients-4.6.0-202107292126.p0.git.2b525e8.el8.s390x.rpm
openshift-hyperkube-4.6.0-202107292126.p0.git.4c3480d.el8.s390x.rpm

x86_64:
atomic-openshift-service-idler-4.6.0-202107291238.p0.git.39cfc66.el8.x86_64.rpm
cri-o-1.19.3-8.rhaos4.6.git0fa2911.el8.x86_64.rpm
cri-o-debuginfo-1.19.3-8.rhaos4.6.git0fa2911.el8.x86_64.rpm
cri-o-debugsource-1.19.3-8.rhaos4.6.git0fa2911.el8.x86_64.rpm
ignition-2.6.0-8.rhaos4.6.git947598e.el8.x86_64.rpm
ignition-debuginfo-2.6.0-8.rhaos4.6.git947598e.el8.x86_64.rpm
ignition-debugsource-2.6.0-8.rhaos4.6.git947598e.el8.x86_64.rpm
ignition-validate-2.6.0-8.rhaos4.6.git947598e.el8.x86_64.rpm
ignition-validate-debuginfo-2.6.0-8.rhaos4.6.git947598e.el8.x86_64.rpm
openshift-clients-4.6.0-202107292126.p0.git.2b525e8.el8.x86_64.rpm
openshift-clients-redistributable-4.6.0-202107292126.p0.git.2b525e8.el8.x86_64.rpm
openshift-hyperkube-4.6.0-202107292126.p0.git.4c3480d.el8.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-2021-33195
https://access.redhat.com/security/cve/CVE-2021-33197
https://access.redhat.com/security/cve/CVE-2021-33198
https://access.redhat.com/security/cve/CVE-2021-34558
https://access.redhat.com/security/updates/classification/#moderate

8. 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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