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[email protected]NVD:CVE-2019-1002101

HistoryApr 01, 2019 - 2:29 p.m.

CVE-2019-1002101

2019-04-0114:29:00

CWE-59

[email protected]

web.nvd.nist.gov

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:P/A:P

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

38.4%

JSON

The kubectl cp command allows copying files between containers and the user machine. To copy files from a container, Kubernetes creates a tar inside the container, copies it over the network, and kubectl unpacks it on the user’s machine. If the tar binary in the container is malicious, it could run any code and output unexpected, malicious results. An attacker could use this to write files to any path on the user’s machine when kubectl cp is called, limited only by the system permissions of the local user. The untar function can both create and follow symbolic links. The issue is resolved in kubectl v1.11.9, v1.12.7, v1.13.5, and v1.14.0.

Affected configurations

Nvd

Node

kuberneteskubernetesRange1.11.0–1.11.9

kuberneteskubernetesRange1.12.0–1.12.7

kuberneteskubernetesRange1.13.0–1.13.5

kuberneteskubernetesMatch1.14.0

Node

redhatopenshift_container_platformMatch3.9

redhatopenshift_container_platformMatch3.10

redhatopenshift_container_platformMatch3.11

VendorProductVersionCPE
kuberneteskubernetes*cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
kuberneteskubernetes1.14.0cpe:2.3:a:kubernetes:kubernetes:1.14.0:*:*:*:*:*:*:*
redhatopenshift_container_platform3.9cpe:2.3:a:redhat:openshift_container_platform:3.9:*:*:*:*:*:*:*
redhatopenshift_container_platform3.10cpe:2.3:a:redhat:openshift_container_platform:3.10:*:*:*:*:*:*:*
redhatopenshift_container_platform3.11cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
kubernetes	kubernetes	*	cpe:2.3:a:kubernetes:kubernetes::::::::
kubernetes	kubernetes	1.14.0	cpe:2.3:a:kubernetes:kubernetes:1.14.0:::::::*
redhat	openshift_container_platform	3.9	cpe:2.3:a:redhat:openshift_container_platform:3.9:::::::*
redhat	openshift_container_platform	3.10	cpe:2.3:a:redhat:openshift_container_platform:3.10:::::::*
redhat	openshift_container_platform	3.11	cpe:2.3:a:redhat:openshift_container_platform:3.11:::::::*