Symlink Attack Affecting Open this link in a new tab package, versions >=1.3.0 <1.7.14 >=1.8.0 <1.8.9 >=1.9.0 <1.9.4

  • Exploit Maturity

    Proof of concept

  • Attack Complexity


  • Scope


  • Confidentiality


  • Integrity


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  • snyk-id


  • published

    17 May 2022

  • disclosed

    17 May 2022

  • credit

    Maxim Ivanov

How to fix?

Upgrade to version 1.7.14, 1.8.9, 1.9.4 or higher.

Overview is a package that contains the libraries that drive the Kubelet binary. The kubelet is responsible for node level pod management. It runs on each worker in the cluster.

Affected versions of this package are vulnerable to Symlink Attack due to not enforcing limitations on symlink creation in mounts, allowing said symlinks to point to resources outside the volumes specified in the pod using relative path syntax.