Issued:
2020-05-12
Updated:
2020-05-12

RHSA-2020:2116 - Important: buildah security and bug fix update

Synopsis

Important: buildah security and bug fix update

Type/Severity

Security Advisory Important

Topic

An update for buildah is now available for Red Hat Enterprise Linux 7 Extras.

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

The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a Dockerfile; Build both Docker and OCI images.

Security Fix(es):

  • buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696)

  • containers/image: Container images read entire image manifest into memory (CVE-2020-1702)

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.

Bug Fix(es):

  • buildah is not expanding env vars in file paths (BZ#1822031)

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

ProductVersionArch
Red Hat Enterprise Linux for Power, little endian7ppc64le
Red Hat Enterprise Linux for IBM z Systems7s390x
Red Hat Enterprise Linux Workstation7x86_64
Red Hat Enterprise Linux Server7x86_64

Updated Packages

  • buildah-1.11.6-11.el7_8.ppc64le.rpm
  • buildah-debuginfo-1.11.6-11.el7_8.ppc64le.rpm
  • buildah-1.11.6-11.el7_8.x86_64.rpm
  • buildah-1.11.6-11.el7_8.src.rpm
  • buildah-debuginfo-1.11.6-11.el7_8.s390x.rpm
  • buildah-debuginfo-1.11.6-11.el7_8.x86_64.rpm
  • buildah-1.11.6-11.el7_8.s390x.rpm

Fixes

CVEs

References

Additional information