RHSA-2019:0547 - Security Advisory

Topic

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.

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.

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_release_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.

Affected Products

• Red Hat OpenShift Container Platform 3.9 x86_64

Fixes

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

CVEs

• CVE-2018-20102
• CVE-2018-20615

References

• https://access.redhat.com/security/updates/classification/#moderate