RHSA-2020:1396 - Security Advisory

Topic

An update for podman is now available for Red Hat OpenShift Container Platform 4.3.

Red Hat Product Security has rated this update as having a security impact of Low. 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 podman tool manages Pods, container images, and containers. It is part of the libpod library, which is for applications that use container Pods. Container Pods is a concept in Kubernetes.

Security Fix(es):

• buildah: a crafted input tar file could overwrite local files during the image build process (CVE-2020-10696)

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 OpenShift Container Platform 4.3 see the following documentation, which
will be updated shortly for release 4.3.12, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.

Affected Products

• Red Hat OpenShift Container Platform 4.3 for RHEL 8 x86_64

Fixes

• BZ - 1817651 - CVE-2020-10696 buildah: crafted input tar file may lead to local file overwriting during image build process

CVEs

• CVE-2020-8945
• CVE-2020-10696

References

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