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Privilege Escalation Affecting github.com/kubernetes/apimachinery/pkg/util/proxy Open this link in a new tab package, versions <0.19.0-rc.1

0.0
medium

  • Exploit Maturity

    Mature

  • Attack Complexity

    High

  • Privileges Required

    High

  • User Interaction

    Required

  • Confidentiality

    High

  • Integrity

    High

  • Availability

    High

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  • snyk-id

    SNYK-GOLANG-GITHUBCOMKUBERNETESAPIMACHINERYPKGUTILPROXY-590105

  • published

    16 Jul 2020

  • disclosed

    15 Jul 2020

  • credit

    Unknown

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Introduced: 15 Jul 2020

CVE-2020-8559 Open this link in a new tab
CWE-264 Open this link in a new tab

How to fix?

Upgrade github.com/kubernetes/apimachinery/pkg/util/proxy to version 0.19.0-rc.1 or higher.

Overview

github.com/kubernetes/apimachinery/pkg/util/proxy is a Package proxy provides transport and upgrade support for proxies.

Affected versions of this package are vulnerable to Privilege Escalation. If an attacker is able to intercept certain requests to the Kubelet, they can send a redirect response that may be followed by a client using the credentials from the original request. This can lead to compromise of other nodes.