Add features for Metrics Server, Cert Status Checker, VSphere VCP, and Cilium Envoy

Announcement ID: SUSE-SU-2020:1573-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2019-18801 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-18802 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-18802 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-18836 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
  • CVE-2019-18836 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-18838 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE CaaS Platform 4.0
  • SUSE Linux Enterprise Server 15 SP1

An update that solves four vulnerabilities and has 16 security fixes can now be installed.

Description:

Metrics Server

* Support monitoring of *CPU* and *memory* of a pod or node.

Cert Status Checker

* Exposes cluster-wide certificates status and use monitoring stack (Prometheus and Grafana) to receives alerts
  by Prometheus Alertmanager and monitors certificate status by Grafana dashboard.

VSphere VCP

* Allow Kubernetes pods to use VMWare vSphere Virtual Machine Disk (VMDK) volumes as persistent storage.

Cilium Envoy

* Updated Cilium from version 1.5.3 to version 1.6.6
* Provide Envoy-proxy support for Cilium
* Envoy and its dependencies packaged for version 1.12.2
* Cilium uses CRD and ConfigMap points on etcd are removed

See release notes for installation instructions: https://www.suse.com/releasenotes/x86_64/SUSE-CAASP/4/

Following CVE entries are relevant for the casp 4.2.1 update:

cilium-proxy:

CVE-2019-18801: An untrusted remote client might have been able to send HTTP/2 requests via cilium-proxyx that could have written to the heap outside of the request buffers when the upstream is HTTP/1. (bsc#1159002) CVE-2019-18802: A malformed request header may have caused bypass of route matchers resulting in escalation of privileges or information disclosure (bsc#1159003) CVE-2019-18838: A malformed HTTP request without the Host header may cause abnormal termination ofthe Envoy process (bsc#1159004) CVE-2019-18836: Excessive iteration due to listener filter timeout in envoy could lead to DoS (bsc#1156450)

kafka:

CVE-2018-1288: authenticated Kafka users may perform action reserved for the Broker via a manually created fetch request. (bsc#1102920)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE CaaS Platform 4.0
    To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

Package List:

  • SUSE CaaS Platform 4.0 (x86_64)
    • skuba-1.3.5-3.39.1
    • terraform-provider-vsphere-1.17.3-3.3.4
    • caasp-release-4.2.1-24.23.4
  • SUSE CaaS Platform 4.0 (noarch)
    • skuba-update-1.3.5-3.39.1

References: