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Red Hat OpenShift 4.4.3 RHSA-2020-1936-01 Moderate: haproxy Fix

red hat
Calendar Grey May 4, 2020
Dist Redhat Esm H88
Cautious security announcement for OpenShift 4.4.3 highlights recent HAProxy patches tackling various vulnerabilities.
An update for haproxy is now available for Red Hat OpenShift Container Platform 4.4

Solution

For OpenShift Container Platform 4.4 see the following documentation, which will be updated shortly for release 4.4.3, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.4/html/release_notes/ocp-4-4-release-notes

Details on how to access this content are available at - -cli.html.

Summary

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 could 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 was 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.

Topics%20covered

Topics Covered

security advisory buffer overflow cloud computing haproxy Red Hat OpenShift HTTP smuggling

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#moderate

Package List

Red Hat OpenShift Container Platform 4.4:
Source: haproxy-2.0.13-3.el7.src.rpm
x86_64: haproxy-debuginfo-2.0.13-3.el7.x86_64.rpm haproxy20-2.0.13-3.el7.x86_64.rpm
Red Hat OpenShift Container Platform 4.4:
Source: haproxy-2.0.13-3.el8.src.rpm
x86_64: haproxy-debugsource-2.0.13-3.el8.x86_64.rpm haproxy20-2.0.13-3.el8.x86_64.rpm haproxy20-debuginfo-2.0.13-3.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


Advisory ID: RHSA-2020:1936-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1936
Issue date: 2020-05-04

Topic

An update for haproxy is now available for Red Hat OpenShift ContainerPlatform 4.4.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory buffer overflow cloud computing haproxy Red Hat OpenShift HTTP smuggling

Relevant Releases Architectures

Red Hat OpenShift Container Platform 4.4 - x86_64

Bugs Fixed

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

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