Link Following Affecting openshift-clients-redistributable package, versions <0:4.1.21-201910220952.git.0.493dbf6.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.05% (20th percentile)

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  • Snyk ID SNYK-RHEL8-OPENSHIFTCLIENTSREDISTRIBUTABLE-4412391
  • published 26 Mar 2023
  • disclosed 18 Sep 2019

How to fix?

Upgrade RHEL:8 openshift-clients-redistributable to version 0:4.1.21-201910220952.git.0.493dbf6.el8 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-redistributable package and not the openshift-clients-redistributable package as distributed by RHEL. See How to fix? for RHEL:8 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
Expand this section

NVD

5.7 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    High
  • Availability (A)
    None