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

Synopsis:          Important: Red Hat OpenShift Service Mesh 2.0.5 security
 update
Advisory ID:       RHSA-2021:2061-01
Product:           Red Hat OpenShift Service Mesh
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2061
Issue date:        2021-05-20
CVE Names:         CVE-2021-31921 
=====================================================================

1. Summary:

An update for servicemesh is now available for OpenShift Service Mesh 2.0.

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. Relevant releases/architectures:

2.0 - ppc64le, s390x, x86_64

3. Description:

Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio
service mesh project, tailored for installation into an on-premise
OpenShift Container Platform installation.

Security Fix(es):

* istio/istio: authorization bypass when using AUTO_PASSTHROUGH
(CVE-2021-31921)

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.

4. Solution:

The OpenShift Service Mesh release notes provide information on the
features and known issues:

https://docs.openshift.com/container-platform/4.7/service_mesh/v2x/servicem
esh-release-notes.html

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

1955396 - CVE-2021-31921 istio/istio: authorization bypass when using
 AUTO_PASSTHROUGH

6. Package List:

2.0:

Source:
servicemesh-2.0.5-3.el8.src.rpm

ppc64le:
servicemesh-2.0.5-3.el8.ppc64le.rpm
servicemesh-istioctl-2.0.5-3.el8.ppc64le.rpm
servicemesh-mixc-2.0.5-3.el8.ppc64le.rpm
servicemesh-mixs-2.0.5-3.el8.ppc64le.rpm
servicemesh-pilot-agent-2.0.5-3.el8.ppc64le.rpm
servicemesh-pilot-discovery-2.0.5-3.el8.ppc64le.rpm

s390x:
servicemesh-2.0.5-3.el8.s390x.rpm
servicemesh-istioctl-2.0.5-3.el8.s390x.rpm
servicemesh-mixc-2.0.5-3.el8.s390x.rpm
servicemesh-mixs-2.0.5-3.el8.s390x.rpm
servicemesh-pilot-agent-2.0.5-3.el8.s390x.rpm
servicemesh-pilot-discovery-2.0.5-3.el8.s390x.rpm

x86_64:
servicemesh-2.0.5-3.el8.x86_64.rpm
servicemesh-istioctl-2.0.5-3.el8.x86_64.rpm
servicemesh-mixc-2.0.5-3.el8.x86_64.rpm
servicemesh-mixs-2.0.5-3.el8.x86_64.rpm
servicemesh-pilot-agent-2.0.5-3.el8.x86_64.rpm
servicemesh-pilot-discovery-2.0.5-3.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-2021-31921
https://access.redhat.com/security/updates/classification/#important

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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