Moderate: OpenShift Container Platform 3.11 security update

Synopsis

Moderate: OpenShift Container Platform 3.11 security update

Type/Severity

Security Advisory: Moderate

Topic

An update for atomic-openshift and jenkins-2-plugins is now available for
Red Hat OpenShift Container Platform 3.11.

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

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):

• web-console: XSS in OAuth server /oauth/token/request endpoint
  (CVE-2019-3876)
  
• jenkins-plugin-token-macro: XML External Entity processing the ${XML}
  macro (CVE-2019-10337)
  
• kube-apiserver: DoS with crafted patch of type json-patch
  (CVE-2019-1002100)
  

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.

Solution

For OpenShift Container Platform 3.11 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/3.11/release_notes/ocp_3_11_release_notes.html

Affected Products

• Red Hat OpenShift Container Platform 3.11 x86_64
• Red Hat OpenShift Container Platform for Power 3.11 ppc64le

Fixes

• BZ - 1683190 - CVE-2019-1002100 kube-apiserver: DoS with crafted patch of type json-patch
• BZ - 1691107 - CVE-2019-3876 web-console: XSS in OAuth server /oauth/token/request endpoint
• BZ - 1719782 - CVE-2019-10337 jenkins-plugin-token-macro: XML External Entity processing the ${XML} macro

CVEs

• CVE-2019-3876
• CVE-2019-10337
• CVE-2019-1002100

References

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