Moderate: OpenShift Virtualization 4.8.5 RPMs security update

Topic

Red Hat OpenShift Virtualization release 4.8.5 is now available with updates to packages and images that fix several bugs and add enhancements.

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

OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform.

This advisory contains OpenShift Virtualization 4.8.5 RPMs.

Security Fix(es):

• 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: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)
• golang: crypto/tls: certificate of wrong type is causing TLS client to panic (CVE-2021-34558)

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 Container Native Virtualization 4.8 for RHEL 8 x86_64
• Red Hat Container Native Virtualization 4.8 for RHEL 7 x86_64

Fixes

• BZ - 1983596 - CVE-2021-34558 golang: crypto/tls: certificate of wrong type is causing TLS client to panic
• 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 - 2044050 - 4.8.5 rpms

CVEs

• CVE-2021-33195
• CVE-2021-33197
• CVE-2021-33198
• CVE-2021-34558

References

• https://access.redhat.com/security/updates/classification/#moderate