CVE-2020-15186

In Helm before versions 2.16.11 and 3.3.2 plugin names are not sanitized properly. As a result, a malicious plugin author could use characters in a plugin name that would result in unexpected behavior, such as duplicating the name of another plugin or spoofing the output to `helm --help`. This issue has been patched in Helm 3.3.2. A possible workaround is to not install untrusted Helm plugins. Examine the `name` field in the `plugin.yaml` file for a plugin, looking for characters outside of the [a-zA-Z0-9._-] range.

CVSS v3 2.7 LOW
CVSS v2.0 4.0 MEDIUM

2.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/helm/helm/commit/809e2d999e2c33e20e77f6bff30652d79c287542	Patch Third Party Advisory
https://github.com/helm/helm/security/advisories/GHSA-m54r-vrmv-hw33	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:helm:helm::::::::
	cpe:2.3:a:helm:helm::::::::

History

No history.

Information

Published : 2020-09-17 22:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-15186

Mitre link : CVE-2020-15186

CVE.ORG link : CVE-2020-15186

JSON object : View

Products Affected

helm

helm

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-20

Improper Input Validation

{"id": "CVE-2020-15186", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.2}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 3.4, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.6}]}, "published": "2020-09-17T22:15:12.520", "references": [{"url": "https://github.com/helm/helm/commit/809e2d999e2c33e20e77f6bff30652d79c287542", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/helm/helm/security/advisories/GHSA-m54r-vrmv-hw33", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-74"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "In Helm before versions 2.16.11 and 3.3.2 plugin names are not sanitized properly. As a result, a malicious plugin author could use characters in a plugin name that would result in unexpected behavior, such as duplicating the name of another plugin or spoofing the output to `helm --help`. This issue has been patched in Helm 3.3.2. A possible workaround is to not install untrusted Helm plugins. Examine the `name` field in the `plugin.yaml` file for a plugin, looking for characters outside of the [a-zA-Z0-9._-] range."}, {"lang": "es", "value": "En Helm versiones anteriores a 2.16.11 y 3.3.2, los nombres de los plugins no son saneados apropiadamente. Como resultado, un autor de plugin malicioso podr\u00eda usar caracteres en un nombre de plugin que resultar\u00eda en un comportamiento inesperado, como duplicar el nombre de otro plugin o falsificar la salida en \"helm --help\". Este problema ha sido corregido en Helm versi\u00f3n 3.3.2. Una posible soluci\u00f3n es no instalar plugins de Helm que no son de confianza. Examine el campo \"name\" en el archivo \"plugin.yaml\" en busca de un plugin, buscando caracteres fuera del rango [a-zA-Z0-9 ._-]"}], "lastModified": "2021-11-18T17:50:44.500", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:helm:helm:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "455BCCE5-1D43-4E59-9591-E84B52DAAF0B", "versionEndExcluding": "2.16.11", "versionStartIncluding": "2.0.0"}, {"criteria": "cpe:2.3:a:helm:helm:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B462D769-3FC0-4079-8B48-863F013662EF", "versionEndExcluding": "3.3.2", "versionStartIncluding": "3.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}