CVE-2020-8566

In Kubernetes clusters using Ceph RBD as a storage provisioner, with logging level of at least 4, Ceph RBD admin secrets can be written to logs. This occurs in kube-controller-manager's logs during provisioning of Ceph RBD persistent claims. This affects < v1.19.3, < v1.18.10, < v1.17.13.

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/kubernetes/kubernetes/issues/95624	Third Party Advisory
https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ	Mailing List Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20210122-0006/	Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

29 Mar 2021, 19:30

Type	Values Removed	Values Added
References	~~(CONFIRM) https://security.netapp.com/advisory/ntap-20210122-0006/ -~~	(CONFIRM) https://security.netapp.com/advisory/ntap-20210122-0006/ - Third Party Advisory

26 Jan 2021, 18:16

Type	Values Removed	Values Added
References		(CONFIRM) https://security.netapp.com/advisory/ntap-20210122-0006/ -

Information

Published : 2020-12-07 22:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-8566

Mitre link : CVE-2020-8566

CVE.ORG link : CVE-2020-8566

JSON object : View

Products Affected

kubernetes

kubernetes

CWE

CWE-532

Insertion of Sensitive Information into Log File

{"id": "CVE-2020-8566", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "jordan@liggitt.net", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.0}]}, "published": "2020-12-07T22:15:21.480", "references": [{"url": "https://github.com/kubernetes/kubernetes/issues/95624", "tags": ["Third Party Advisory"], "source": "jordan@liggitt.net"}, {"url": "https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "jordan@liggitt.net"}, {"url": "https://security.netapp.com/advisory/ntap-20210122-0006/", "tags": ["Third Party Advisory"], "source": "jordan@liggitt.net"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-532"}]}, {"type": "Secondary", "source": "jordan@liggitt.net", "description": [{"lang": "en", "value": "CWE-532"}]}], "descriptions": [{"lang": "en", "value": "In Kubernetes clusters using Ceph RBD as a storage provisioner, with logging level of at least 4, Ceph RBD admin secrets can be written to logs. This occurs in kube-controller-manager's logs during provisioning of Ceph RBD persistent claims. This affects < v1.19.3, < v1.18.10, < v1.17.13."}, {"lang": "es", "value": "En los cl\u00fasteres de Kubernetes que usan Ceph RBD como aprovisionador de almacenamiento, con un nivel de registro de al menos 4, los secretos de administraci\u00f3n de Ceph RBD se pueden escribir en los registros. Esto ocurre en los registros de kube-controller-manager durante el aprovisionamiento de notificaciones persistentes de Ceph RBD. Esto afecta a versiones anteriores a v1.19.3, anteriores a v1.18.10, anteriores a v1.17.13"}], "lastModified": "2021-03-29T19:30:30.753", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B765012B-C658-4EB8-956A-62A91142CE05", "versionEndExcluding": "1.17.13", "versionStartIncluding": "1.17.0"}, {"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "67F84BBA-5FCA-4A23-BB4E-47BE92E3706A", "versionEndExcluding": "1.18.10", "versionStartIncluding": "1.18.0"}, {"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "456BD01B-44E8-4823-B220-5E109D8C377D", "versionEndExcluding": "1.19.3", "versionStartIncluding": "1.19.0"}], "operator": "OR"}]}], "sourceIdentifier": "jordan@liggitt.net"}