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Red Hat Enterprise Linux 7: Update RHSA-2020-2116-01 for Buildah Issues

red hat
Calendar Grey May 12, 2020
Dist Redhat Esm H88
Important patch released for buildah tackling vulnerabilities and resolution of issues in Red Hat Enterprise Linux 7 Extras.
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):
* 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)

Topics%20covered

Topics Covered

security advisory bug fix important Red Hat Enterprise memory issue local file overwrite buildah

References

https://access.redhat.com/security/cve/CVE-2020-1702 https://access.redhat.com/security/cve/CVE-2020-10696 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux 7 Extras:
Source: buildah-1.11.6-11.el7_8.src.rpm
ppc64le: buildah-1.11.6-11.el7_8.ppc64le.rpm buildah-debuginfo-1.11.6-11.el7_8.ppc64le.rpm
s390x: buildah-1.11.6-11.el7_8.s390x.rpm buildah-debuginfo-1.11.6-11.el7_8.s390x.rpm
x86_64: buildah-1.11.6-11.el7_8.x86_64.rpm buildah-debuginfo-1.11.6-11.el7_8.x86_64.rpm
Red Hat Enterprise Linux 7 Extras:
Source: buildah-1.11.6-11.el7_8.src.rpm
x86_64: buildah-1.11.6-11.el7_8.x86_64.rpm buildah-debuginfo-1.11.6-11.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2116-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2116
Issue date: 2020-05-12

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 Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory bug fix important Red Hat Enterprise memory issue local file overwrite buildah

Relevant Releases Architectures

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

Bugs Fixed

1792796 - CVE-2020-1702 containers/image: Container images read entire image manifest into memory

1817651 - CVE-2020-10696 buildah: Crafted input tar file may lead to local file overwrite during image build process

1822031 - buildah is not expanding env vars in file paths [extras-rhel-7.8/buildah]

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