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Red Hat Security Advisory

Synopsis: Important: Red Hat OpenShift Service Mesh 1.0 servicemesh-prometheus security update
Advisory ID: RHSA-2020:2863-01
Product: Red Hat OpenShift Service Mesh
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2863
Issue date: 2020-07-07
CVE Names: CVE-2019-11253
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1. Summary:

An update for servicemesh-prometheus 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):

* kubernetes: YAML parsing vulnerable to “Billion Laughs” attack, allowing
for remote denial of service (CVE-2019-11253)

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/):

1757701 – CVE-2019-11253 kubernetes: YAML parsing vulnerable to “Billion Laughs” attack, allowing for remote denial of service

6. Package List:

OpenShift Service Mesh 1.0:

Source:
servicemesh-prometheus-2.7.2-36.el8.src.rpm

x86_64:
servicemesh-prometheus-2.7.2-36.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-2019-11253
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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