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Red Hat Security Advisory

Synopsis:          Critical: Red Hat OpenShift Service Mesh 1.0.3 RPMs security update
Advisory ID:       RHSA-2019:4222-01
Product:           Red Hat OpenShift Service Mesh
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:4222
Issue date:        2019-12-11
CVE Names:         CVE-2019-18801 CVE-2019-18802 CVE-2019-18838
====================================================================
1. Summary:

Red Hat OpenShift Service Mesh 1.0.3.

Red Hat Product Security has rated this update as having a security impact
of Critical. 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
Red Hat 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.

This advisory covers the RPM packages for the OpenShift Service Mesh 1.0.3
release.

Security Fix(es):

* An untrusted remote client may send HTTP/2 requests that write to the
heap outside of the request buffers when the upstream is HTTP/1
(CVE-2019-18801)

* Malformed request header may cause bypass of route matchers resulting in
escalation of privileges or information disclosure (CVE-2019-18802)

* Malformed HTTP request without the Host header may cause abnormal
termination of the Envoy process (CVE-2019-18838)

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/4.2/service_mesh/servicemesh-
release-notes.html

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

1773444 - CVE-2019-18801 envoy: an untrusted remote client may send HTTP/2 requests that write to the heap outside of the request buffers when the upstream is HTTP/1
1773447 - CVE-2019-18802 envoy: malformed request header may cause bypass of route matchers resulting in escalation of privileges or information disclosure
1773449 - CVE-2019-18838 envoy: malformed HTTP request without the Host header may cause abnormal termination of the Envoy process

6. Package List:

Red Hat OpenShift Service Mesh 1.0:

Source:
kiali-v1.0.8.redhat1-1.el7.src.rpm

x86_64:
kiali-v1.0.8.redhat1-1.el7.x86_64.rpm

OpenShift Service Mesh 1.0:

Source:
servicemesh-1.0.3-1.el8.src.rpm
servicemesh-cni-1.0.3-1.el8.src.rpm
servicemesh-grafana-6.2.2-25.el8.src.rpm
servicemesh-operator-1.0.3-1.el8.src.rpm
servicemesh-prometheus-2.7.2-26.el8.src.rpm
servicemesh-proxy-1.0.3-1.el8.src.rpm

x86_64:
servicemesh-1.0.3-1.el8.x86_64.rpm
servicemesh-citadel-1.0.3-1.el8.x86_64.rpm
servicemesh-cni-1.0.3-1.el8.x86_64.rpm
servicemesh-galley-1.0.3-1.el8.x86_64.rpm
servicemesh-grafana-6.2.2-25.el8.x86_64.rpm
servicemesh-grafana-prometheus-6.2.2-25.el8.x86_64.rpm
servicemesh-istioctl-1.0.3-1.el8.x86_64.rpm
servicemesh-mixc-1.0.3-1.el8.x86_64.rpm
servicemesh-mixs-1.0.3-1.el8.x86_64.rpm
servicemesh-operator-1.0.3-1.el8.x86_64.rpm
servicemesh-pilot-agent-1.0.3-1.el8.x86_64.rpm
servicemesh-pilot-discovery-1.0.3-1.el8.x86_64.rpm
servicemesh-prometheus-2.7.2-26.el8.x86_64.rpm
servicemesh-proxy-1.0.3-1.el8.x86_64.rpm
servicemesh-sidecar-injector-1.0.3-1.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-2019-18801
https://access.redhat.com/security/cve/CVE-2019-18802
https://access.redhat.com/security/cve/CVE-2019-18838
https://access.redhat.com/security/updates/classification/#critical

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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