Directory Traversal Affecting cri-o package, versions <0:1.20.2-4.rhaos4.7.gitd5a999a.el7


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-RHEL7-CRIO-5248690
  • published26 Mar 2023
  • disclosed12 Jan 2021

Introduced: 12 Jan 2021

CVE-2021-20218  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade RHEL:7 cri-o to version 0:1.20.2-4.rhaos4.7.gitd5a999a.el7 or higher.
This issue was patched in RHSA-2021:1006.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cri-o package and not the cri-o package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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

CVSS Scores

version 3.1