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Kubernetes: CVE-2017-1002101: Subpath volume mount handling allows arbitrary file access in host filesystem

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Kubernetes: CVE-2017-1002101: Subpath volume mount handling allows arbitrary file access in host filesystem

Severity
6
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:N)
Published
03/13/2018
Created
07/25/2018
Added
06/14/2018
Modified
06/14/2018

Description

In Kubernetes versions 1.3.x, 1.4.x, 1.5.x, 1.6.x and prior to versions 1.7.14, 1.8.9 and 1.9.4 containers using subpath volume mounts with any volume type (including non-privileged pods, subject to file permissions) can access files/directories outside of the volume, including the host's filesystem.

Solution(s)

  • kubernetes-upgrade-1_10_0-beta_3
  • kubernetes-upgrade-1_7_14
  • kubernetes-upgrade-1_8_9
  • kubernetes-upgrade-1_9_4

References

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