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
-
Red Hat Enterprise Linux Server 7 x86_64
-
Red Hat Enterprise Linux Workstation 7 x86_64
-
Red Hat Enterprise Linux for IBM z Systems 7 s390x
-
Red Hat Enterprise Linux for Power, little endian 7 ppc64le
Fixes
- BZ - 1765469 - rootless buildah does not work with UID in /etc/subuid
- BZ - 1791286 - Extras RHEL-7.8 update - buildah
- BZ - 1795838 - CVE-2020-8945 proglottis/gpgme: Use-after-free in GPGME bindings during container image pull
CVEs
References
Vulmon