Red Hat Product Errata RHSA-2021:3556 - Security Advisory
Issued:
2021-09-16
Updated:
2021-09-16

RHSA-2021:3556 - Security Advisory

Synopsis

Moderate: Release of OpenShift Serverless 1.17.0

Type/Severity

Security Advisory: Moderate

Topic

Release of OpenShift Serverless 1.17.0

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 1.17.0 release of the OpenShift Serverless
Operator. This version of the OpenShift Serverless Operator is supported on Red Hat OpenShift Container Platform versions 4.6, 4.7 and 4.8, and includes security and bug fixes and enhancements. For more information, see the documentation listed in the References section.

Security Fix(es):

  • 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)
  • 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)

It was found that the CVE-2021-27918, CVE-2021-31525 and CVE-2021-33196 have been incorrectly mentioned as fixed in RHSA for Serverless client kn 1.16.0. This has been fixed (CVE-2021-3703).

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

Affected Products

  • Red Hat Openshift Serverless 1 x86_64

Fixes

  • BZ - 1983596 - CVE-2021-34558 golang: crypto/tls: certificate of wrong type is causing TLS client to panic
  • BZ - 1983651 - Release of OpenShift Serverless Serving 1.17.0
  • BZ - 1983654 - Release of OpenShift Serverless Eventing 1.17.0
  • BZ - 1989564 - CVE-2021-33195 golang: net: lookup functions may return invalid host names
  • BZ - 1989570 - CVE-2021-33197 golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty
  • BZ - 1989575 - CVE-2021-33198 golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents
  • BZ - 1992955 - CVE-2021-3703 serverless: incomplete fix for CVE-2021-27918 / CVE-2021-31525 / CVE-2021-33196

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