CVE-2018-1002100 : In Kubernetes versions 1.5.x, 1.6.x, 1.7.x, 1.8.x, and prior to version 1.9.6, t

In Kubernetes versions 1.5.x, 1.6.x, 1.7.x, 1.8.x, and prior to version 1.9.6, the kubectl cp command insecurely handles tar data returned from the container, and can be caused to overwrite arbitrary local files.

Published 2018-06-02 01:29:02

Updated 2019-10-09 23:32:34

Source Kubernetes

View at NVD, CVE.org

Vulnerability category: Input validation

Products affected by CVE-2018-1002100

Kubernetes » Kubernetes
Versions from including (>=) 1.7.0 and up to, including, (<=) 1.7.17
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.6.0 and up to, including, (<=) 1.6.14
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.8.0 and up to, including, (<=) 1.8.15
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.9.0 and up to, including, (<=) 1.9.5
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.5.0 and up to, including, (<=) 1.5.9
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-1002100

EPSS FAQ

0.58%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 66 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-1002100

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.6	LOW	AV:L/AC:L/Au:N/C:N/I:P/A:P	3.9	4.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: Partial
4.2	MEDIUM	CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N	0.5	3.6	Kubernetes
Attack Vector: Network Attack Complexity: High Privileges Required: High User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: High Availability: None
5.5	MEDIUM	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2018-1002100

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-1002100

https://bugzilla.redhat.com/show_bug.cgi?id=1564305

1564305 – (CVE-2018-1002100) CVE-2018-1002100 kubernetes: Kubectl copy doesn't check for paths outside of it's destination directory
Issue Tracking;Third Party Advisory
https://hansmi.ch/articles/2018-04-openshift-s2i-security

OpenShift S2I privilege escalation vulnerability
Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/61297

CVE-2018-1002100: Kubectl copy doesn't check for paths outside of it's destination directory. · Issue #61297 · kubernetes/kubernetes · GitHub
Third Party Advisory

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Vulnerability Details : CVE-2018-1002100

Products affected by CVE-2018-1002100

Exploit prediction scoring system (EPSS) score for CVE-2018-1002100

CVSS scores for CVE-2018-1002100

CWE ids for CVE-2018-1002100

References for CVE-2018-1002100