Important: Release of OpenShift Serverless Client kn 1.30.2 security update

Topic

Red Hat OpenShift Serverless 1.30.2 is now available.

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 Serverless Client kn 1.30.2 provides a CLI to interact with Red Hat OpenShift Serverless 1.30.2. The kn CLI is delivered as an RPM package for installation on RHEL platforms, and as binaries for non-Linux platforms.

This release includes security and bug fixes, and enhancements.

Security Fix(es):

• golang: net/http, x/net/http2: rapid stream resets can cause excessive work (Rapid Reset Attack) (CVE-2023-39325)
• HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
• golang: net/http: insufficient sanitization of Host header (CVE-2023-29406)
• golang: crypto/tls: slow verification of certificate chains containing large RSA keys (CVE-2023-29409)

A Red Hat Security Bulletin which addresses further details about the Rapid Reset flaw is available in the References section.

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

https://access.redhat.com/documentation/en-us/red_hat_openshift_serverless/1.30

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 - 2222167 - CVE-2023-29406 golang: net/http: insufficient sanitization of Host header
• BZ - 2228743 - CVE-2023-29409 golang: crypto/tls: slow verification of certificate chains containing large RSA keys
• 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)

CVEs

• CVE-2023-29406
• CVE-2023-29409
• CVE-2023-39325
• CVE-2023-44487

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/security/vulnerabilities/RHSB-2023-003
• https://access.redhat.com/documentation/en-us/red_hat_openshift_serverless/1.30