RHSA-2020:2795 - Security Advisory

Topic

An update for servicemesh-operator is now available for OpenShift Service Mesh 1.1.

Red Hat Product Security has rated this update as having a security impact of Important. 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 Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.

Security Fix(es):

• kubernetes: YAML parsing vulnerable to "Billion Laughs" attack, allowing for remote denial of service (CVE-2019-11253)
• openshift-service-mesh/istio-rhel8-operator: control plane can deploy gateway image to any namespace (CVE-2020-14306)

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

The OpenShift Service Mesh release notes provide information on the features and
known issues:

https://docs.openshift.com/container-platform/latest/service_mesh/servicemesh-release-notes.html

Affected Products

• Red Hat OpenShift Service Mesh 1.1 for RHEL 8 x86_64

Fixes

• BZ - 1757701 - CVE-2019-11253 kubernetes: YAML parsing vulnerable to "Billion Laughs" attack, allowing for remote denial of service
• BZ - 1850380 - CVE-2020-14306 openshift-service-mesh/istio-rhel8-operator: control plane can deploy gateway image to any namespace

CVEs

• CVE-2019-11253
• CVE-2020-14306

References

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