A buildah security and bug fix update been released for Red Hat Enterprise Linux 7.
RHSA-2020:2116-01: Important: buildah security and bug fix update
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Red Hat Security Advisory
Synopsis: Important: buildah security and bug fix update
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
CVE Names: CVE-2020-1702 CVE-2020-10696
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1. Summary:
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux 7 Extras - ppc64le, s390x, x86_64
3. 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)
4. 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
5. Bugs fixed ( https://bugzilla.redhat.com/):
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]
6. 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/
7. 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
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
