CVE-2019-11247 (GCVE-0-2019-11247)

Vulnerability from cvelistv5 – Published: 2019-08-29 00:25 – Updated: 2024-09-16 18:04
VLAI
Title
Kubernetes kube-apiserver allows access to custom resources via wrong scope
Summary
The Kubernetes kube-apiserver mistakenly allows access to a cluster-scoped custom resource if the request is made as if the resource were namespaced. Authorizations for the resource accessed in this manner are enforced using roles and role bindings within the namespace, meaning that a user with access only to a resource in one namespace could create, view update or delete the cluster-scoped resource (according to their namespace role privileges). Kubernetes affected versions include versions prior to 1.13.9, versions prior to 1.14.5, versions prior to 1.15.2, and versions 1.7, 1.8, 1.9, 1.10, 1.11, 1.12.
Severity
5 (Medium)
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version
Kubernetes Kubernetes Affected: prior to 1.13.9
Affected: prior to 1.14.5
Affected: prior to 1.15.2
Affected: 1.7
Affected: 1.8
Affected: 1.9
Affected: 1.10
Affected: 1.11
Affected: 1.12
Create a notification for this product.
Date Public
2019-08-05 00:00
Credits
Prabu Shyam, Verizon Media
Show details on NVD website
To clipboard 

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    },
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Kubernetes affected versions include versions prior to 1.13.9, versions prior to 1.14.5, versions prior to 1.15.2, and versions 1.7, 1.8, 1.9, 1.10, 1.11, 1.12.\"},{\"lang\":\"es\",\"value\":\"El kube-apiserver de Kubernetes permite por error el acceso a un recurso personalizado de \u00e1mbito de cl\u00faster si la solicitud se realiza como si el recurso estuviera con espacio de nombres. Las autorizaciones para el recurso al que se tiene acceso de esta manera se aplican mediante roles y enlaces de roles dentro del espacio de nombres, lo que significa que un usuario con acceso solo a un recurso en un espacio de nombres podr\u00eda crear, ver actualizar o eliminar el recurso de \u00e1mbito de cl\u00faster (seg\u00fan sus privilegios de rol de espacio de nombres). Las versiones afectadas de Kubernetes incluyen versiones anteriores a 1.13.9, versiones anteriores a 1.14.5, versiones anteriores a 1.15.2 y versiones 1.7, 1.8, 1.9, 1.10, 1.11, 1.12.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}],\"cvssMetricV30\":[{\"source\":\"jordan@liggitt.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":5.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":1.6,\"impactScore\":3.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:P/A:P\",\"baseScore\":6.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"jordan@liggitt.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-863\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.7.0\",\"versionEndIncluding\":\"1.12.10\",\"matchCriteriaId\":\"A582FE75-D84B-4C8F-B836-95FB15F68EBA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.13.0\",\"versionEndExcluding\":\"1.13.9\",\"matchCriteriaId\":\"14126DA1-4F03-43D3-BD14-0BE06EC8F4E5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.14.0\",\"versionEndExcluding\":\"1.14.5\",\"matchCriteriaId\":\"E10D117F-F0C4-4355-98E3-BB4A401258DE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.15.0\",\"versionEndExcluding\":\"1.15.2\",\"matchCriteriaId\":\"2BECD4DB-0E6B-4C4A-B714-F6E4724BD0F6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:kubernetes:kubernetes:1.12.11:beta0:*:*:*:*:*:*\",\"matchCriteriaId\":\"3EAFE32A-5295-4A4B-9EC1-A1DB3CAE3DC8\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:openshift_container_platform:3.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"309CB6F8-F178-454C-BE97-787F78647C28\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:openshift_container_platform:3.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DBCD38F-BBE8-488C-A8C3-5782F191D915\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2F87326E-0B56-4356-A889-73D026DB1D4B\"}]}]}],\"references\":[{\"url\":\"https://access.redhat.com/errata/RHBA-2019:2816\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHBA-2019:2824\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:2690\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:2769\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/kubernetes/kubernetes/issues/80983\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://groups.google.com/d/msg/kubernetes-security-announce/vUtEcSEY6SM/v2ZZxsmtFQAJ\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20190919-0003/\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHBA-2019:2816\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHBA-2019:2824\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:2690\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:2769\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/kubernetes/kubernetes/issues/80983\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://groups.google.com/d/msg/kubernetes-security-announce/vUtEcSEY6SM/v2ZZxsmtFQAJ\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20190919-0003/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.