RedHat: RHSA-2022-7955:01 Moderate: skopeo security and bug fix update
Summary
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):
* containers/storage: DoS via malicious image (CVE-2021-20291)
* golang: math/big.Rat: may cause a panic or an unrecoverable fatal error
if passed inputs with very large exponents (CVE-2021-33198)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 9.1 Release Notes linked from the References section.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2021-20291 https://access.redhat.com/security/cve/CVE-2021-33198 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.1_release_notes/index
Package List
Red Hat Enterprise Linux AppStream (v. 9):
Source:
skopeo-1.9.2-1.el9.src.rpm
aarch64:
skopeo-1.9.2-1.el9.aarch64.rpm
skopeo-debuginfo-1.9.2-1.el9.aarch64.rpm
skopeo-debugsource-1.9.2-1.el9.aarch64.rpm
skopeo-tests-1.9.2-1.el9.aarch64.rpm
ppc64le:
skopeo-1.9.2-1.el9.ppc64le.rpm
skopeo-debuginfo-1.9.2-1.el9.ppc64le.rpm
skopeo-debugsource-1.9.2-1.el9.ppc64le.rpm
skopeo-tests-1.9.2-1.el9.ppc64le.rpm
s390x:
skopeo-1.9.2-1.el9.s390x.rpm
skopeo-debuginfo-1.9.2-1.el9.s390x.rpm
skopeo-debugsource-1.9.2-1.el9.s390x.rpm
skopeo-tests-1.9.2-1.el9.s390x.rpm
x86_64:
skopeo-1.9.2-1.el9.x86_64.rpm
skopeo-debuginfo-1.9.2-1.el9.x86_64.rpm
skopeo-debugsource-1.9.2-1.el9.x86_64.rpm
skopeo-tests-1.9.2-1.el9.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/
Topic
An update for skopeo is now available for Red Hat Enterprise Linux 9.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64
Bugs Fixed
1939485 - CVE-2021-20291 containers/storage: DoS via malicious image
1988128 - Enable LTO build of skopeo for RHEL 9
1989575 - CVE-2021-33198 golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents
