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

Synopsis:          Important: Red Hat OpenShift Service Mesh 1.0 servicemesh-proxy security update
Advisory ID:       RHSA-2020:2864-01
Product:           Red Hat OpenShift Service Mesh
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2864
Issue date:        2020-07-07
CVE Names:         CVE-2020-8663 CVE-2020-12603 CVE-2020-12604
                   CVE-2020-12605
====================================================================
1. Summary:

An update for servicemesh-proxy is now available for OpenShift Service Mesh
1.0.

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:

OpenShift Service Mesh 1.0 - 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):

* envoy: Resource exhaustion when accepting too many connections
(CVE-2020-8663)

* envoy: Resource exhaustion when proxying HTTP/2 requests or responses
with small data frames (CVE-2020-12603)

* envoy: Resource exhaustion when processing HTTP/1.1 headers with long
field names (CVE-2020-12605)

* envoy: Resource exhaustion via HTTP/2 client requests with large payloads
and improper stream windows (CVE-2020-12604)

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/latest/service_mesh/serviceme
sh-release-notes.html

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

1844251 - CVE-2020-12603 envoy: Resource exhaustion when proxying HTTP/2 requests or responses with small data frames
1844252 - CVE-2020-12605 envoy: Resource exhaustion when processing HTTP/1.1 headers with long field names
1844254 - CVE-2020-8663 envoy: Resource exhaustion when accepting too many connections
1844255 - CVE-2020-12604 envoy: Resource exhaustion via HTTP/2 client requests with large payloads and improper stream windows

6. Package List:

OpenShift Service Mesh 1.0:

Source:
servicemesh-proxy-1.0.11-1.el8.src.rpm

x86_64:
servicemesh-proxy-1.0.11-1.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-2020-8663
https://access.redhat.com/security/cve/CVE-2020-12603
https://access.redhat.com/security/cve/CVE-2020-12604
https://access.redhat.com/security/cve/CVE-2020-12605
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 2020 Red Hat, Inc.
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