RHSA-2020:0734 - Security Advisory

Topic

Red Hat OpenShift Service Mesh 1.0.9.

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

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):

• envoy: Excessive CPU and/or memory usage when proxying HTTP/1.1 (CVE-2020-8659)
• envoy: TLS inspector bypassc (CVE-2020-8660)
• envoy: Response flooding for HTTP/1.1 (CVE-2020-8661)
• envoy: Incorrect Access Control when using SDS with Combined Validation Context (CVE-2020-8664)

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/4.3/service_mesh/servicemesh-release-notes.html

Affected Products

• Red Hat OpenShift Service Mesh 1.0 for RHEL 8 x86_64

Fixes

• BZ - 1802539 - CVE-2020-8659 envoy: Excessive CPU and/or memory usage when proxying HTTP/1.1
• BZ - 1802540 - CVE-2020-8661 envoy: Response flooding for HTTP/1.1
• BZ - 1802542 - CVE-2020-8664 envoy: Incorrect Access Control when using SDS with Combined Validation Context
• BZ - 1802545 - CVE-2020-8660 envoy: TLS inspector bypassc

CVEs

• CVE-2020-8659
• CVE-2020-8660
• CVE-2020-8661
• CVE-2020-8664

References

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