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Red Hat Enterprise Linux 9: RHSA-2022-8008-01 Moderate DoS Fix

red hat
Calendar Grey November 15, 2022
Dist Redhat Esm H88
New version released for buildah on Red Hat Enterprise Linux 9 with moderate risk; encompasses security enhancements and bug rectifications.
An update for buildah is now available for Red Hat Enterprise Linux 9

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

Summary

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):
* containers/storage: DoS via malicious image (CVE-2021-20291)
* golang: net: lookup functions may return invalid host names (CVE-2021-33195)
* golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty (CVE-2021-33197)
* golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)
* golang: crash in a golang.org/x/crypto/ssh server (CVE-2022-27191)
* podman: possible information disclosure and modification (CVE-2022-2989)
* buildah: possible information disclosure and modification (CVE-2022-2990)
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.

Topics%20covered

Topics Covered

security advisory moderate bug fix DoS Red Hat Enterprise Linux information disclosure buildah

References

https://access.redhat.com/security/cve/CVE-2021-20291 https://access.redhat.com/security/cve/CVE-2021-33195 https://access.redhat.com/security/cve/CVE-2021-33197 https://access.redhat.com/security/cve/CVE-2021-33198 https://access.redhat.com/security/cve/CVE-2022-2989 https://access.redhat.com/security/cve/CVE-2022-2990 https://access.redhat.com/security/cve/CVE-2022-27191 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: buildah-1.27.0-2.el9.src.rpm
aarch64: buildah-1.27.0-2.el9.aarch64.rpm buildah-debuginfo-1.27.0-2.el9.aarch64.rpm buildah-debugsource-1.27.0-2.el9.aarch64.rpm buildah-tests-1.27.0-2.el9.aarch64.rpm buildah-tests-debuginfo-1.27.0-2.el9.aarch64.rpm
ppc64le: buildah-1.27.0-2.el9.ppc64le.rpm buildah-debuginfo-1.27.0-2.el9.ppc64le.rpm buildah-debugsource-1.27.0-2.el9.ppc64le.rpm buildah-tests-1.27.0-2.el9.ppc64le.rpm buildah-tests-debuginfo-1.27.0-2.el9.ppc64le.rpm
s390x: buildah-1.27.0-2.el9.s390x.rpm buildah-debuginfo-1.27.0-2.el9.s390x.rpm buildah-debugsource-1.27.0-2.el9.s390x.rpm buildah-tests-1.27.0-2.el9.s390x.rpm buildah-tests-debuginfo-1.27.0-2.el9.s390x.rpm
x86_64: buildah-1.27.0-2.el9.x86_64.rpm buildah-debuginfo-1.27.0-2.el9.x86_64.rpm buildah-debugsource-1.27.0-2.el9.x86_64.rpm buildah-tests-1.27.0-2.el9.x86_64.rpm buildah-tests-debuginfo-1.27.0-2.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/


Advisory ID: RHSA-2022:8008-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:8008
Issue date: 2022-11-15

Topic

An update for buildah 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.

Topics%20covered

Topics Covered

security advisory moderate bug fix DoS Red Hat Enterprise Linux information disclosure buildah

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

1989564 - CVE-2021-33195 golang: net: lookup functions may return invalid host names

1989570 - CVE-2021-33197 golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty

1989575 - CVE-2021-33198 golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents

2064702 - CVE-2022-27191 golang: crash in a golang.org/x/crypto/ssh server

2081835 - networking is broken when building containers due to missing container networking package dependencies

2121445 - CVE-2022-2989 podman: possible information disclosure and modification

2121453 - CVE-2022-2990 buildah: possible information disclosure and modification

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