CVE-2021-20218 – fabric8-kubernetes-client: vulnerable to a path traversal leading to integrity and availability compromise

https://notcve.org/view.php?id=CVE-2021-20218

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 Se encontró un fallo en fabric8 kubernetes-client en versión 4.2.0 y posteriores. Este fallo permite a un pod/container malicioso causar que unas aplicaciones que usan el comando "copy" de fabric8 kubernetes-client extraigan archivos fuera de la ruta de trabajo. • https://bugzilla.redhat.com/show_bug.cgi?id=1923405 https://github.com/fabric8io/kubernetes-client/issues/2715 https://access.redhat.com/security/cve/CVE-2021-20218 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •