CVE-2017-1002101 : In Kubernetes versions 1.3.x, 1.4.x, 1.5.x, 1.6.x and prior to versions 1.7.14,

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.

Published 2018-03-13 17:29:00

Updated 2019-10-09 23:21:26

Source Kubernetes

View at NVD, CVE.org

Products affected by CVE-2017-1002101

Kubernetes » Kubernetes
Versions from including (>=) 1.5.0 and up to, including, (<=) 1.5.8
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.4.0 and up to, including, (<=) 1.4.12
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.6.0 and up to, including, (<=) 1.6.13
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.3.0 and up to, including, (<=) 1.3.10
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.8.0 and before (<) 1.8.9
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.9.0 and before (<) 1.9.4
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.7.0 and before (<) 1.7.14
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2017-1002101

EPSS FAQ

0.20%

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

~ 58 %

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

CVSS scores for CVE-2017-1002101

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:N	8.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: None
8.8	HIGH	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	Kubernetes
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
9.6	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N	3.1	5.8	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: None

CWE ids for CVE-2017-1002101

CWE-59 Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-1002101

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html

[security-announce] openSUSE-SU-2020:0554-1: important: Security update

CVEs referencing this url
https://github.com/kubernetes/kubernetes/issues/60813

CVE-2017-1002101 - subpath volume mount handling allows arbitrary file access in host filesystem · Issue #60813 · kubernetes/kubernetes · GitHub
Issue Tracking;Mitigation;Vendor Advisory
https://github.com/bgeesaman/subpath-exploit/

GitHub - bgeesaman/subpath-exploit: Writeup of CVE-2017-1002101 with sample "exploit"/escape
Exploit;Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0475

RHSA-2018:0475 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2017-1002101

Products affected by CVE-2017-1002101

Exploit prediction scoring system (EPSS) score for CVE-2017-1002101

CVSS scores for CVE-2017-1002101

CWE ids for CVE-2017-1002101

References for CVE-2017-1002101