Operating System:

[RedHat]

Published:

11 November 2020

Protect yourself against future threats.

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3997
                          buildah security update
                             11 November 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           buildah
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 7
                   Red Hat Enterprise Linux WS/Desktop 7
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-14040  

Reference:         ESB-2020.3890
                   ESB-2020.3700
                   ESB-2020.3223.2
                   ESB-2020.2713
                   ESB-2020.2517

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2020:5055

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: buildah security update
Advisory ID:       RHSA-2020:5055-01
Product:           Red Hat Enterprise Linux Extras
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:5055
Issue date:        2020-11-10
CVE Names:         CVE-2020-14040 
=====================================================================

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 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.

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):

* golang.org/x/text: possibility to trigger an infinite loop in
encoding/unicode could lead to crash (CVE-2020-14040)

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.

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/):

1853652 - CVE-2020-14040 golang.org/x/text: possibility to trigger an infinite loop 
in encoding/unicode could lead to crash

6. Package List:

Red Hat Enterprise Linux 7 Extras:

Source:
buildah-1.11.6-12.el7_9.src.rpm

ppc64le:
buildah-1.11.6-12.el7_9.ppc64le.rpm
buildah-debuginfo-1.11.6-12.el7_9.ppc64le.rpm

s390x:
buildah-1.11.6-12.el7_9.s390x.rpm
buildah-debuginfo-1.11.6-12.el7_9.s390x.rpm

x86_64:
buildah-1.11.6-12.el7_9.x86_64.rpm
buildah-debuginfo-1.11.6-12.el7_9.x86_64.rpm

Red Hat Enterprise Linux 7 Extras:

Source:
buildah-1.11.6-12.el7_9.src.rpm

x86_64:
buildah-1.11.6-12.el7_9.x86_64.rpm
buildah-debuginfo-1.11.6-12.el7_9.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-2020-14040
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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