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Red Hat Security Advisory

Synopsis: Critical: OpenShift Container Platform 3.11 security update
Advisory ID: RHSA-2020:1287-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1287
Issue date: 2020-04-07
CVE Names: CVE-2019-18277 CVE-2019-19330 CVE-2020-11100
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1. Summary:

Red Hat OpenShift Container Platform release 3.11.200 is now available with
updates to packages and images that fix several bugs.

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:

Red Hat OpenShift Container Platform 3.11 – ppc64le, x86_64

3. Description:

Red Hat OpenShift Container Platform is Red Hat’s cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.

Security Fix(es):

* haproxy: malformed HTTP/2 requests can lead to out-of-bounds writes
(CVE-2020-11100)

* haproxy: HTTP request smuggling issue with transfer-encoding header
containing an obfuscated “chunked” value (CVE-2019-18277)

* haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation
attacks (CVE-2019-19330)

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:

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

See the following documentation, which will be updated shortly for release
3.11.200, for important instructions on how to upgrade your cluster and
fully
apply this asynchronous errata update:

https://docs.openshift.com/container-platform/3.11/release_notes/ocp_3_11_r
elease_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/):

1759697 – CVE-2019-18277 haproxy: HTTP request smuggling issue with transfer-encoding header containing an obfuscated “chunked” value
1777584 – CVE-2019-19330 haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation attacks
1819111 – CVE-2020-11100 haproxy: malformed HTTP/2 requests can lead to out-of-bounds writes

6. Package List:

Red Hat OpenShift Container Platform 3.11:

Source:
haproxy-1.8.23-3.el7.src.rpm

ppc64le:
haproxy-debuginfo-1.8.23-3.el7.ppc64le.rpm
haproxy18-1.8.23-3.el7.ppc64le.rpm

x86_64:
haproxy-debuginfo-1.8.23-3.el7.x86_64.rpm
haproxy18-1.8.23-3.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-2019-18277
https://access.redhat.com/security/cve/CVE-2019-19330
https://access.redhat.com/security/cve/CVE-2020-11100
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 2020 Red Hat, Inc.
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