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Kubernetes: CVE-2019-11243: rest.AnonymousClientConfig() does not remove the serviceaccount credentials from config created by rest.InClusterConfig()

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Kubernetes: CVE-2019-11243: rest.AnonymousClientConfig() does not remove the serviceaccount credentials from config created by rest.InClusterConfig()

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
04/22/2019
Created
05/10/2019
Added
05/09/2019
Modified
05/09/2019

Description

In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()

Solution(s)

  • kubernetes-upgrade-1_12_4
  • kubernetes-upgrade-1_13_0

References

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