cve-2021-43815
Vulnerability from cvelistv5
Published
2021-12-10 20:40
Modified
2024-08-04 04:03
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Grafana is an open-source platform for monitoring and observability. Grafana prior to versions 8.3.2 and 7.5.12 has a directory traversal for arbitrary .csv files. It only affects instances that have the developer testing tool called TestData DB data source enabled and configured. The vulnerability is limited in scope, and only allows access to files with the extension .csv to authenticated users only. Grafana Cloud instances have not been affected by the vulnerability. Versions 8.3.2 and 7.5.12 contain a patch for this issue. There is a workaround available for users who cannot upgrade. Running a reverse proxy in front of Grafana that normalizes the PATH of the request will mitigate the vulnerability. The proxy will have to also be able to handle url encoded paths.
References
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2021/12/10/4Mailing List, Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/grafana/grafana/commit/d6ec6f8ad28f0212e584406730f939105ff6c6d3Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/grafana/grafana/commit/fd48aee61e4328aae8d5303a9efd045fa0ca308dPatch, Third Party Advisory
security-advisories@github.comhttps://github.com/grafana/grafana/releases/tag/v8.3.2Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/grafana/grafana/security/advisories/GHSA-7533-c8qv-jm9mPatch, Third Party Advisory
security-advisories@github.comhttps://grafana.com/blog/2021/12/10/grafana-8.3.2-and-7.5.12-released-with-moderate-severity-security-fix/Patch, Third Party Advisory
security-advisories@github.comhttps://security.netapp.com/advisory/ntap-20220107-0006/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/12/10/4Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/grafana/grafana/commit/d6ec6f8ad28f0212e584406730f939105ff6c6d3Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/grafana/grafana/commit/fd48aee61e4328aae8d5303a9efd045fa0ca308dPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/grafana/grafana/releases/tag/v8.3.2Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/grafana/grafana/security/advisories/GHSA-7533-c8qv-jm9mPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://grafana.com/blog/2021/12/10/grafana-8.3.2-and-7.5.12-released-with-moderate-severity-security-fix/Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220107-0006/Third Party Advisory
Impacted products
Vendor Product Version
grafana grafana Version: >= 8.0.0-beta3, < 8.3.2
Version: >= 5.0.0, < 7.5.12
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The proxy will have to also be able to handle url encoded paths.\"},{\"lang\":\"es\",\"value\":\"Grafana es una plataforma de código abierto para la monitorización y la observabilidad. Grafana versiones anteriores a 8.3.2 y 7.5.12, presenta un salto de directorios para archivos .csv arbitrarios. Sólo afecta a las instancias que tienen habilitada y configurada la herramienta de pruebas para desarrolladores llamada fuente de datos TestData DB. La vulnerabilidad presenta un alcance limitado y sólo permite el acceso a los archivos con la extensión .csv a usuarios autenticados. Las instancias de Grafana Cloud no se han visto afectadas por la vulnerabilidad. Las versiones 8.3.2 y 7.5.12 contienen un parche para este problema. Se presenta una solución disponible para usuarios que no pueden actualizar. Ejecutar un proxy inverso frente a Grafana que normalice el PATH de la petición mitigará la vulnerabilidad. El proxy también tendrá que ser capaz de manejar rutas codificadas con url\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4},{\"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:L/I:N/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:S/C:P/I:N/A:N\",\"baseScore\":3.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":6.8,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"7.5.12\",\"matchCriteriaId\":\"9E8AA544-0EAE-40C6-8C0E-E1276C1A2D32\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndExcluding\":\"8.3.2\",\"matchCriteriaId\":\"072437F7-4A16-4373-9026-7C20B0D2AFB8\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2021/12/10/4\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Mailing 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   },
}


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Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.