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Privilege Escalation Affecting github.com/argoproj/argo-workflows/v3/util/kubeconfig Open this link in a new tab package, versions >=3.1.0 <3.1.6 >=3.0.0 <3.0.9

0.0
low

  • Exploit Maturity

    Proof of concept

  • Attack Complexity

    High

  • Privileges Required

    High

  • Scope

    Changed

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  • snyk-id

    SNYK-GOLANG-GITHUBCOMARGOPROJARGOWORKFLOWSV3UTILKUBECONFIG-1569195

  • published

    24 Aug 2021

  • disclosed

    23 Aug 2021

  • credit

    Unknown

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Introduced: 23 Aug 2021

CWE-264 Open this link in a new tab

How to fix?

Upgrade github.com/argoproj/argo-workflows/v3/util/kubeconfig to version 3.1.6, 3.0.9 or higher.

Overview

github.com/argoproj/argo-workflows/v3/util/kubeconfig is a Workflow engine for Kubernetes

Affected versions of this package are vulnerable to Privilege Escalation. Potential privilege escalation when the Argo Sever is run with --auth-mode=client. This is a pro-active fix. No know exploits exist. You are impacted if:

  • You're running Kubernetes grater than or equal to v1.19
  • You're running Argo Server
  • It is configured to with--auth-mode=client
  • Is not configured with --auth-mode=server
  • You are not running Argo Server in Kubernetes pod. E.g. on bare metal or other VM.
  • You're using client key to authenticate on the server.
  • The server has more permissions that the connecting client's account.

The client's authentication will be ignored and the server's authentication will be used. This will result in privilege escalation to that of the the server's account.

References