(RHSA-2021:3555) Moderate: Release of OpenShift Serverless Client kn 1.17.0

Red Hat OpenShift Serverless Client kn 1.17.0 provides a CLI to interact with Red Hat OpenShift Serverless 1.17.0. The kn CLI is delivered as an RPM package for installation on RHEL platforms, and as binaries for non-Linux platforms.

Security Fix(es):

• serverless: incomplete fix for CVE-2021-27918 / CVE-2021-31525 / CVE-2021-33196 (CVE-2021-3703)

• golang: crypto/tls: certificate of wrong type is causing TLS client to panic
  (CVE-2021-34558)

• golang: net: lookup functions may return invalid host names (CVE-2021-33195)

• golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty (CVE-2021-33197)

• golang: match/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)

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.