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Access Restriction Bypass Affecting k8s.io/kubernetes/plugin/pkg/auth/authorizer/rbac/bootstrappolicy package, versions *

0.0
low

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    EPSS 0.09% (39th percentile)
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NVD
3.1 low
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Red Hat
3.1 low

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  • Snyk ID SNYK-GOLANG-K8SIOKUBERNETESPLUGINPKGAUTHAUTHORIZERRBACBOOTSTRAPPOLICY-1318920
  • published 15 Jul 2021
  • disclosed 15 Jul 2021
  • credit Unknown
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Introduced: 15 Jul 2021

CVE-2021-25740 Open this link in a new tab
CWE-284 Open this link in a new tab

How to fix?

There is no fixed version for k8s.io/kubernetes/plugin/pkg/auth/authorizer/rbac/bootstrappolicy.

Overview

k8s.io/kubernetes/plugin/pkg/auth/authorizer/rbac/bootstrappolicy is a package rbac that implements the authorizer.Authorizer interface using roles base access control.

Affected versions of this package are vulnerable to Access Restriction Bypass. Endpoint & EndpointSlice permissions allow cross-Namespace forwarding. If a potential attacker can create or edit Endpoints or EndpointSlices in the Kubernetes API, they can potentially direct a LoadBalancer or Ingress implementation to expose backend IPs the attacker should not have access to.