RHSA-2021:4848 - Security Advisory

Topic

The Migration Toolkit for Containers (MTC) 1.5.2 is now available.

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 Fix(es):

• nodejs-immer: prototype pollution may lead to DoS or remote code execution (CVE-2021-3757)
• mig-controller: incorrect namespaces handling may lead to not authorized usage of Migration Toolkit for Containers (MTC) (CVE-2021-3948)

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/latest/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 - 2000734 - CVE-2021-3757 nodejs-immer: prototype pollution may lead to DoS or remote code execution
• BZ - 2005438 - Combining Rsync and Stunnel in a single pod can degrade performance (1.5 backport)
• BZ - 2006842 - MigCluster CR remains in "unready" state and source registry is inaccessible after temporary shutdown of source cluster
• BZ - 2007429 - "oc describe" and "oc log" commands on "Migration resources" tree cannot be copied after failed migration
• BZ - 2022017 - CVE-2021-3948 mig-controller: incorrect namespaces handling may lead to not authorized usage of Migration Toolkit for Containers (MTC)

CVEs

• CVE-2018-20673
• CVE-2019-5827
• CVE-2019-13750
• CVE-2019-13751
• CVE-2019-17594
• CVE-2019-17595
• CVE-2019-18218
• CVE-2019-19603
• CVE-2019-20838
• CVE-2020-12762
• CVE-2020-13435
• CVE-2020-14145
• CVE-2020-14155
• CVE-2020-16135
• CVE-2020-24370
• CVE-2021-3200
• CVE-2021-3445
• CVE-2021-3580
• CVE-2021-3620
• CVE-2021-3733
• CVE-2021-3757
• CVE-2021-3778
• CVE-2021-3796
• CVE-2021-3800
• CVE-2021-3948
• CVE-2021-20231
• CVE-2021-20232
• CVE-2021-20266
• CVE-2021-22876
• CVE-2021-22898
• CVE-2021-22925
• CVE-2021-22946
• CVE-2021-22947
• CVE-2021-23840
• CVE-2021-23841
• CVE-2021-27218
• CVE-2021-27645
• CVE-2021-28153
• CVE-2021-33560
• CVE-2021-33574
• CVE-2021-33928
• CVE-2021-33929
• CVE-2021-33930
• CVE-2021-33938
• CVE-2021-35942
• CVE-2021-36084
• CVE-2021-36085
• CVE-2021-36086
• CVE-2021-36087
• CVE-2021-36222
• CVE-2021-37750

References

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