Issued:
2020-03-31
Updated:
2020-03-31

RHSA-2020:1231 - Moderate: buildah security and bug fix update

Synopsis

Moderate: buildah security and bug fix update

Type/Severity

Security Advisory Moderate

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 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 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):

  • proglottis/gpgme: Use-after-free in GPGME bindings during container image pull (CVE-2020-8945)

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):

  • rootless buildah does not work with UID in /etc/subuid (BZ#1765469)

  • Extras RHEL-7.8 update - buildah (BZ#1791286)

  • buildah should be linked against gpgme-pthread (BZ#1793074)

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-1.11.6-8.el7_8.src.rpm
  • buildah-debuginfo-1.11.6-8.el7_8.ppc64le.rpm
  • buildah-debuginfo-1.11.6-8.el7_8.s390x.rpm
  • buildah-1.11.6-8.el7_8.ppc64le.rpm
  • buildah-1.11.6-8.el7_8.x86_64.rpm
  • buildah-1.11.6-8.el7_8.s390x.rpm
  • buildah-debuginfo-1.11.6-8.el7_8.x86_64.rpm

Fixes

CVEs

References

Additional information