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.
problem types: handled symbolic links insecurely
affected:
{
product: Kubernetes
vendor: Kubernetes
versions:
status: affected, version: v1.3.x
status: affected, version: v1.4.x
status: affected, version: v1.5.x
status: affected, version: v1.6.x
lessThan: v1.7.14, status: affected, version: unspecified, versionType: custom
lessThan: v1.8.9, status: affected, version: unspecified, versionType: custom
lessThan: v1.9.4, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
version: 3.0
]