RHSA-2021:3361 - Security Advisory

Topic

An update is now available for the Migration Toolkit for Containers (MTC) 1.5.1.

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

The Migration Toolkit for Containers (MTC) enables you to migrate
Kubernetes resources, persistent volume data, and internal container images
between OpenShift Container Platform clusters, using the MTC web console or the Kubernetes API.

Security fixes:

• golang: net: lookup functions may return invalid host names (CVE-2021-33195)
• golang: archive/zip: malformed archive may cause panic or memory exhaustion (CVE-2021-33196)
• 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 install and use MTC, refer to:

https://docs.openshift.com/container-platform/4.8/migration-toolkit-for-containers/installing-mtc.html

Affected Products

• Red Hat Migration Toolkit 1 for RHEL 8 x86_64
• Red Hat Migration Toolkit 1 for RHEL 7 x86_64

Fixes

• BZ - 1965503 - CVE-2021-33196 golang: archive/zip: malformed archive may cause panic or memory exhaustion
• 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 - 1996125 - When "None" is selected as the target storage class in the web console, the setting is ignored and the default storage class is used

CVEs

• CVE-2021-3114
• CVE-2021-3121
• CVE-2021-3516
• CVE-2021-3517
• CVE-2021-3518
• CVE-2021-3520
• CVE-2021-3537
• CVE-2021-3541
• CVE-2021-3609
• CVE-2021-3636
• CVE-2021-20271
• CVE-2021-21419
• CVE-2021-21623
• CVE-2021-21639
• CVE-2021-21640
• CVE-2021-21648
• CVE-2021-22543
• CVE-2021-22555
• CVE-2021-22918
• CVE-2021-25735
• CVE-2021-25737
• CVE-2021-27218
• CVE-2021-33195
• CVE-2021-33196
• CVE-2021-33197
• CVE-2021-33198
• CVE-2021-34558

References

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