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

Synopsis:          Moderate: skopeo security and bug fix update
Advisory ID:       RHSA-2020:1230-01
Product:           Red Hat Enterprise Linux Extras
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1230
Issue date:        2020-03-31
CVE Names:         CVE-2020-8945
====================================================================
1. Summary:

An update for skopeo 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 skopeo command lets you inspect images from container image registries,
get images and image layers, and use signatures to create and verify files.

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):

* Skopeo doesn't handle HTTP 429 errors properly (BZ#1752775)

* skopeo does not show manifest manifest.list.v2 for special cases
(BZ#1754905)

* skopeo inspect results in panic: runtime error: invalid memory address or
nil pointer dereference (BZ#1769575)

* skopeo should be linked against gpgme-pthread (BZ#1793080)

* docker won't start because registries service won't start (BZ#1812505)

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/):

1752775 - Skopeo doesn't handle HTTP 429 errors properly
1754905 - skopeo does not show manifest manifest.list.v2 for special cases
1795838 - CVE-2020-8945 proglottis/gpgme: Use-after-free in GPGME bindings during container image pull
1812505 - docker won't start because registries service won't start

6. Package List:

Red Hat Enterprise Linux 7 Extras:

Source:
skopeo-0.1.40-7.el7_8.src.rpm

ppc64le:
containers-common-0.1.40-7.el7_8.ppc64le.rpm
skopeo-0.1.40-7.el7_8.ppc64le.rpm
skopeo-debuginfo-0.1.40-7.el7_8.ppc64le.rpm

s390x:
containers-common-0.1.40-7.el7_8.s390x.rpm
skopeo-0.1.40-7.el7_8.s390x.rpm
skopeo-debuginfo-0.1.40-7.el7_8.s390x.rpm

x86_64:
containers-common-0.1.40-7.el7_8.x86_64.rpm
skopeo-0.1.40-7.el7_8.x86_64.rpm
skopeo-debuginfo-0.1.40-7.el7_8.x86_64.rpm

Red Hat Enterprise Linux 7 Extras:

Source:
skopeo-0.1.40-7.el7_8.src.rpm

x86_64:
containers-common-0.1.40-7.el7_8.x86_64.rpm
skopeo-0.1.40-7.el7_8.x86_64.rpm
skopeo-debuginfo-0.1.40-7.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-2020-8945
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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