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Red Hat Enterprise Linux: RHSA-2020-1231-01 Moderate Buildah Security Fix

red hat
Calendar Grey March 31, 2020
Dist Redhat Esm H88
Patch offers essential security enhancements for buildah in Red Hat Enterprise Linux, optimizing container image operations.
An update for buildah is now available for Red Hat Enterprise Linux 7 Extras

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

Summary

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)

Topics%20covered

Topics Covered

security advisory moderate bug fix Red Hat Enterprise Linux security impact buildah container image

References

https://access.redhat.com/security/cve/CVE-2020-8945 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux 7 Extras:
Source: buildah-1.11.6-8.el7_8.src.rpm
ppc64le: buildah-1.11.6-8.el7_8.ppc64le.rpm buildah-debuginfo-1.11.6-8.el7_8.ppc64le.rpm
s390x: buildah-1.11.6-8.el7_8.s390x.rpm buildah-debuginfo-1.11.6-8.el7_8.s390x.rpm
x86_64: buildah-1.11.6-8.el7_8.x86_64.rpm buildah-debuginfo-1.11.6-8.el7_8.x86_64.rpm
Red Hat Enterprise Linux 7 Extras:
Source: buildah-1.11.6-8.el7_8.src.rpm
x86_64: buildah-1.11.6-8.el7_8.x86_64.rpm buildah-debuginfo-1.11.6-8.el7_8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Advisory ID: RHSA-2020:1231-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1231
Issue date: 2020-03-31

Topic

An update for buildah is now available for Red Hat Enterprise Linux 7Extras.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate bug fix Red Hat Enterprise Linux security impact buildah container image

Relevant Releases Architectures

Red Hat Enterprise Linux 7 Extras - ppc64le, s390x, x86_64

Bugs Fixed

1765469 - rootless buildah does not work with UID in /etc/subuid

1791286 - Extras RHEL-7.8 update - buildah

1795838 - CVE-2020-8945 proglottis/gpgme: Use-after-free in GPGME bindings during container image pull

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