Description
A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | fabric8-kubernetes-client | kubernetes-client-4.2.0 and after | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenShift 4 | cri-o | 1.20.2-4.rhaos4.7.gitd5a999a.el7 | RHSA-2021:1006 |
| Red Hat OpenShift 4 | jenkins-2-plugins | 4.7.1616671397-1.el8 | RHSA-2021:1006 |
| Red Hat OpenShift 4 | openshift-clients +1 | 4.7.0-202103251046.p0.git.3957.c4da68b.el7 | RHSA-2021:1006 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | io.fabric8:kubernetes-client | >= 4.2.0, < 4.7.2 | 4.7.2 | GHSA-jwh2-ffg4-48xc |
| Maven | io.fabric8:kubernetes-client | >= 4.8.0, < 4.11.2 | 4.11.2 | GHSA-jwh2-ffg4-48xc |
| Maven | io.fabric8:kubernetes-client | >= 4.12.0, < 4.13.2 | 4.13.2 | GHSA-jwh2-ffg4-48xc |
| Maven | io.fabric8:kubernetes-client | >= 5.0.0, < 5.0.2 | 5.0.2 | GHSA-jwh2-ffg4-48xc |
Advisories 2
- RHSA-2021:1006 Red Hat Security Advisory: OpenShift Container Platform 4.7.5 security and bug fix update Red Hat Security Advisories (RHSA) · Aug 20, 2026
- WID-SEC-2022-0567 Red Hat OpenShift: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 22, 2023