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, 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.

CVSS v3 9.6 CRITICAL
CVSS v2.0 5.5 MEDIUM

9.6^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Exploitability : 3.1 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

5.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:N

Exploitability : 8.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html
https://access.redhat.com/errata/RHSA-2018:0475	Third Party Advisory
https://github.com/bgeesaman/subpath-exploit/	Exploit Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/60813	Issue Tracking Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:kubernetes:kubernetes::::::::
	cpe:2.3:a:kubernetes:kubernetes::::::::
	cpe:2.3:a:kubernetes:kubernetes::::::::
	cpe:2.3:a:kubernetes:kubernetes::::::::
	cpe:2.3:a:kubernetes:kubernetes::::::::
	cpe:2.3:a:kubernetes:kubernetes::::::::
	cpe:2.3:a:kubernetes:kubernetes::::::::

History

No history.

Information

Published : 2018-03-13 17:29

Updated : 2019-10-09 23:21

NVD link : CVE-2017-1002101

Mitre link : CVE-2017-1002101

CVE.ORG link : CVE-2017-1002101

JSON object : View

Products Affected

kubernetes

kubernetes

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

{"id": "CVE-2017-1002101", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.8, "exploitabilityScore": 3.1}, {"type": "Secondary", "source": "jordan@liggitt.net", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2018-03-13T17:29:00.233", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html", "source": "jordan@liggitt.net"}, {"url": "https://access.redhat.com/errata/RHSA-2018:0475", "tags": ["Third Party Advisory"], "source": "jordan@liggitt.net"}, {"url": "https://github.com/bgeesaman/subpath-exploit/", "tags": ["Exploit", "Third Party Advisory"], "source": "jordan@liggitt.net"}, {"url": "https://github.com/kubernetes/kubernetes/issues/60813", "tags": ["Issue Tracking", "Mitigation", "Vendor Advisory"], "source": "jordan@liggitt.net"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-59"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "En Kubernetes, en versiones 1.3.x, 1.4.x, 1.5.x, 1.6.x y en versiones anteriores a la 1.7.14, 1.8.9 y 1.9.4, los contenedores que emplean montajes de volumen subpath con cualquier tipo de volumen (incluyendo pods no privilegiados, dependientes de los permisos de archivo) pueden acceder a archivos/directorios fuera del volumen, incluyendo el sistema de archivos del host."}], "lastModified": "2019-10-09T23:21:25.697", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "85841C2A-31F1-4725-BE9D-0E346D133CC9", "versionEndIncluding": "1.3.10", "versionStartIncluding": "1.3.0"}, {"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3CE7BB45-879A-48CE-BE8B-463CB97B8ABA", "versionEndIncluding": "1.4.12", "versionStartIncluding": "1.4.0"}, {"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0990DE9E-F42A-42E5-9589-ACFCD79950E5", "versionEndIncluding": "1.5.8", "versionStartIncluding": "1.5.0"}, {"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "520D312F-37C8-4604-B4C3-D9DB8317CF9F", "versionEndIncluding": "1.6.13", "versionStartIncluding": "1.6.0"}, {"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F39F83C4-3CC3-4681-8363-0986209D4E2B", "versionEndExcluding": "1.7.14", "versionStartIncluding": "1.7.0"}, {"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CEE0979F-ED58-43D8-9E3B-7261B1782DD2", "versionEndExcluding": "1.8.9", "versionStartIncluding": "1.8.0"}, {"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E4818E0C-B0ED-424F-AD73-B87777FD9D9E", "versionEndExcluding": "1.9.4", "versionStartIncluding": "1.9.0"}], "operator": "OR"}]}], "sourceIdentifier": "jordan@liggitt.net"}