Issued:
2021-07-13
Updated:
2021-07-13

RHSA-2021:2704 - Security Advisory

Synopsis

Moderate: Release of OpenShift Serverless Client kn 1.16.0

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Release of OpenShift Serverless Client kn 1.16.0

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 Serverless Client kn 1.16.0 provides a CLI to interact with Red Hat OpenShift Serverless 1.16.0. The kn CLI is delivered as an RPM package for installation on RHEL platforms, and as binaries for non-Linux platforms.

Security Fix(es):

  • golang: encoding/xml: infinite loop when using xml.NewTokenDecoder with a custom TokenReader (CVE-2021-27918)
  • golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header (CVE-2021-31525)
  • golang: archive/zip: malformed archive may cause panic or memory exhaustion (CVE-2021-33196)

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

See the Red Hat OpenShift Container Platform 4.6 documentation at: https://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless_applications/index

See the Red Hat OpenShift Container Platform 4.7 documentation at: https://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index

Affected Products

  • Red Hat Openshift Serverless 1 x86_64
  • Red Hat OpenShift Serverless for IBM Power, little endian 1 ppc64le
  • Red Hat OpenShift Serverless for IBM Z and LinuxONE 1 s390x

Fixes

  • BZ - 1937901 - CVE-2021-27918 golang: encoding/xml: infinite loop when using xml.NewTokenDecoder with a custom TokenReader
  • BZ - 1958341 - CVE-2021-31525 golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header
  • BZ - 1965503 - CVE-2021-33196 golang: archive/zip: Malformed archive may cause panic or memory exhaustion
  • BZ - 1971449 - Release of Openshift Serverless Client 1.16.0

Red Hat Openshift Serverless 1

SRPM
openshift-serverless-clients-0.22.0-3.el8.src.rpm SHA-256: c1699984a6ab8934b17509e70e8298fb405a2779147db734b0779977e516cb0d
x86_64
openshift-serverless-clients-0.22.0-3.el8.x86_64.rpm SHA-256: a0a4a51b4a5f5893fb73a35526bcc6461bf47f9997ef03215d9dfa712639a58b

Red Hat OpenShift Serverless for IBM Power, little endian 1

SRPM
openshift-serverless-clients-0.22.0-3.el8.src.rpm SHA-256: c1699984a6ab8934b17509e70e8298fb405a2779147db734b0779977e516cb0d
ppc64le
openshift-serverless-clients-0.22.0-3.el8.ppc64le.rpm SHA-256: 491298b90f9eb6560adedaba928575e95aa254579dae45184e573d3c60119fc0

Red Hat OpenShift Serverless for IBM Z and LinuxONE 1

SRPM
openshift-serverless-clients-0.22.0-3.el8.src.rpm SHA-256: c1699984a6ab8934b17509e70e8298fb405a2779147db734b0779977e516cb0d
s390x
openshift-serverless-clients-0.22.0-3.el8.s390x.rpm SHA-256: 529cb27a2d0beb888cd8266967507735a9a15c7fdb1083931fd6e0c6c4425a4b

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.