Link Following Affecting openshift-clients package, versions <0:4.1.21-201910220952.git.0.493dbf6.el7


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-RHEL7-OPENSHIFTCLIENTS-3376894
  • published26 Mar 2023
  • disclosed18 Sept 2019

Introduced: 18 Sep 2019

CVE-2019-11251  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade RHEL:7 openshift-clients to version 0:4.1.21-201910220952.git.0.493dbf6.el7 or higher.
This issue was patched in RHSA-2019:3266.

NVD Description

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

The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree.

CVSS Scores

version 3.1