RHSA-2023:6781 - Security Advisory

Topic

An update for openshift-pipelines-client is now available for OpenShift-Pipelines-1.11-RHEL-8.

Red Hat Product Security has rated this update as having a security impact of Important. 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 Pipelines Client, tkn for the 1.11.2 release, provides a CLI tool to interact with the Pipelines and Triggers components provided by Red Hat OpenShift Pipelines 1.11.2.

The tkn CLI tool is delivered as an RPM package for installation on RHEL platforms, and as binaries for non-Linux platforms.

Security Fix(es):

• golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487) (CVE-2023-39325)
• HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)

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

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat OpenShift Pipelines 1.11 x86_64
• Red Hat OpenShift Pipelines for IBM Power, little endian 1.11 ppc64le
• Red Hat OpenShift Pipelines for IBM Z and LinuxONE 1.11 s390x
• Red Hat OpenShift Pipelines for ARM 1.11 aarch64

Fixes

• BZ - 2242803 - CVE-2023-44487 HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)
• BZ - 2243296 - CVE-2023-39325 golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)
• SRVKP-3243 - Release OpenShift Pipelines CLI for Pipelines 1.11.2

CVEs

• CVE-2023-39325
• CVE-2023-44487

References

• https://access.redhat.com/security/updates/classification/#important
• https://docs.openshift.com/container-platform/4.13/cli_reference/tkn_cli/installing-tkn.html
• https://access.redhat.com/security/vulnerabilities/RHSB-2023-003