Moderate: Release of OpenShift Serverless Client kn 1.20.0

Topic

Release of OpenShift Serverless Client kn 1.20.0

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 1.20.0 provides a CLI to interact with Red Hat OpenShift Serverless 1.20.0. 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: net: incorrect parsing of extraneous zero characters at the beginning of an IP address octet (CVE-2021-29923)
• golang: Command-line arguments may overwrite global data (CVE-2021-38297)
• golang: archive/zip: malformed archive may cause panic or memory exhaustion (incomplete fix of CVE-2021-33196) (CVE-2021-39293)

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/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 See the Red Hat OpenShift Container Platform 4.8 documentation at:
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.8/html/serverless/index See the Red Hat OpenShift Container Platform 4.9 documentation at:
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.9/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 - 1992006 - CVE-2021-29923 golang: net: incorrect parsing of extraneous zero characters at the beginning of an IP address octet
• BZ - 2006044 - CVE-2021-39293 golang: archive/zip: malformed archive may cause panic or memory exhaustion (incomplete fix of CVE-2021-33196)
• BZ - 2012887 - CVE-2021-38297 golang: Command-line arguments may overwrite global data
• BZ - 2024823 - Release of Openshift Serverless Client 1.20.0

CVEs

• CVE-2021-29923
• CVE-2021-38297
• CVE-2021-39293

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless/index
• https://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index
• https://access.redhat.com/documentation/en-us/openshift_container_platform/4.8/html/serverless/index
• https://access.redhat.com/documentation/en-us/openshift_container_platform/4.9/html/serverless/index