RHSA-2020:1230 - Security Advisory

Topic

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.

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)

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

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

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

CVEs

• CVE-2020-8945

References

• https://access.redhat.com/security/updates/classification/#moderate