[RHSA-2019:0547-01] Moderate: OpenShift Container Platform 3.9 haproxy security update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Moderate: OpenShift Container Platform 3.9 haproxy security update
Advisory ID:       RHSA-2019:0547-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:0547
Issue date:        2019-03-14
CVE Names:         CVE-2018-20615 
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1. Summary:

An update for haproxy is now available for Red Hat OpenShift Container
Platform 3.9.

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 3.9 - x86_64

3. Description:

The haproxy packages provide a reliable, high-performance network load
balancer for TCP and HTTP-based applications.

Security fix(es):

* haproxy: Mishandling of priority flag in short HEADERS frame by HTTP/2
decoder allows for crash (CVE-2018-20615)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgements, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

Before applying this update, ensure all previously released errata relevant
to your system have been applied.

See the following documentation for important instructions on how to
upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.openshift.com/container-platform/3.9/release_notes/ocp_3_9_rel
ease_notes.html

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258.

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

1663060 - CVE-2018-20615 haproxy: Mishandling of priority flag in short HEADERS frame by HTTP/2 decoder allows for crash

6. Package List:

Red Hat OpenShift Container Platform 3.9:

Source:
haproxy-1.8.17-3.el7.src.rpm

x86_64:
haproxy-debuginfo-1.8.17-3.el7.x86_64.rpm
haproxy18-1.8.17-3.el7.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-2018-20615
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2019 Red Hat, Inc.
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