CVE-2022-39272 (GCVE-0-2022-39272)

Vulnerability from cvelistv5 – Published: 2022-10-21 00:00 – Updated: 2025-04-23 16:45
VLAI?
Summary
Flux is an open and extensible continuous delivery solution for Kubernetes. Versions prior to 0.35.0 are subject to a Denial of Service. Users that have permissions to change Flux’s objects, either through a Flux source or directly within a cluster, can provide invalid data to fields `.spec.interval` or `.spec.timeout` (and structured variations of these fields), causing the entire object type to stop being processed. This issue is patched in version 0.35.0. As a workaround, Admission controllers can be employed to restrict the values that can be used for fields `.spec.interval` and `.spec.timeout`, however upgrading to the latest versions is still the recommended mitigation.
Severity ?
5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
CWE
  • CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
Impacted products
Vendor Product Version
fluxcd flux2 Affected: < 0.35.0
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      "id": "CVE-2022-39272",
      "lastModified": "2024-11-21T07:17:55.753",
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As a workaround, Admission controllers can be employed to restrict the values that can be used for fields `.spec.interval` and `.spec.timeout`, however upgrading to the latest versions is still the recommended mitigation.\"},{\"lang\":\"es\",\"value\":\"Flux es una soluci\u00f3n de entrega continua abierta y extensible para Kubernetes. Las versiones anteriores a 0.35.0, est\u00e1n sujetas a una denegaci\u00f3n de servicio. Los usuarios que presentan permisos para cambiar los objetos de Flux, ya sea medainyte una fuente de Flux o directamente dentro de un cl\u00faster, pueden proporcionar datos no v\u00e1lidos a los campos \\\".spec.interval\\\" o \\\".spec.timeout\\\" (y variaciones estructuradas de estos campos), causando que todo el tipo de objeto deje de ser procesado. Este problema ha sido corregido en versi\u00f3n 0.35.0. Como mitigaci\u00f3n, pueden emplearse controladores de admisi\u00f3n para restringir los valores que pueden usarse para los campos \\\".spec.interval\\\" y \\\".spec.timeout\\\", aunque la actualizaci\u00f3n a las \u00faltimas versiones sigue siendo la mitigaci\u00f3n recomendada\"}],\"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:C/C:N/I:N/A:L\",\"baseScore\":5.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.1,\"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:N/I:N/A:L\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1284\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1284\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:flux2:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.1.0\",\"versionEndExcluding\":\"0.35.0\",\"matchCriteriaId\":\"3AA15FCA-BF23-4A33-B5A9-CF1505C01DE0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:helm-controller:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.0.2\",\"versionEndExcluding\":\"0.24.0\",\"matchCriteriaId\":\"93AE52F3-8925-4E23-A7ED-65CFB92ED9E2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:helm-controller:0.0.1:alpha1:*:*:*:*:*:*\",\"matchCriteriaId\":\"38162E9C-6889-4D29-82BF-D2C617F88F50\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:helm-controller:0.0.1:alpha2:*:*:*:*:*:*\",\"matchCriteriaId\":\"F5CE9371-54D5-458E-A946-8477944410F6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:helm-controller:0.0.1:beta1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B176EC42-7E4A-4062-8BC8-82193667439B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:helm-controller:0.0.1:beta2:*:*:*:*:*:*\",\"matchCriteriaId\":\"929AFCA0-4E79-45FD-89B6-F14805C0CA1E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:helm-controller:0.0.1:beta3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3FC1DC45-EE36-4686-98AF-D3A69F766854\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:helm-controller:0.0.1:beta4:*:*:*:*:*:*\",\"matchCriteriaId\":\"339DB8ED-0634-4D66-9899-475D103F535C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:image-automation-controller:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.1.0\",\"versionEndExcluding\":\"0.26.0\",\"matchCriteriaId\":\"0E4844DA-E907-4B64-A26B-CED5711B13B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:image-reflector-controller:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.1.0\",\"versionEndExcluding\":\"0.22.0\",\"matchCriteriaId\":\"19E335B1-AC15-475C-B47C-7F3847340F79\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.0.2\",\"versionEndExcluding\":\"0.29.0\",\"matchCriteriaId\":\"713AC396-2582-410E-9BFE-71E45F532FE1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:0.0.1:alpha1:*:*:*:*:*:*\",\"matchCriteriaId\":\"63A3589D-D348-4E8B-9DC2-80644036605A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:0.0.1:alpha2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C9D16141-22FF-4183-8FA0-9B92B9CA62B2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:0.0.1:alpha3:*:*:*:*:*:*\",\"matchCriteriaId\":\"ADA62C3F-F192-41BC-BAD4-3B0F400F3F54\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:0.0.1:alpha4:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B4165A5-17F9-4270-972D-AF1A0581841C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:0.0.1:alpha5:*:*:*:*:*:*\",\"matchCriteriaId\":\"003F008D-3FC8-4D5D-AF86-BC4CFE14F0F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:0.0.1:alpha6:*:*:*:*:*:*\",\"matchCriteriaId\":\"87BD8959-4DCC-4763-AA61-5FBB645A5981\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:0.0.1:alpha7:*:*:*:*:*:*\",\"matchCriteriaId\":\"CFB65A9C-8ABC-4759-BAC2-316CFA7E19A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:0.0.1:alpha8:*:*:*:*:*:*\",\"matchCriteriaId\":\"8E6ACF71-8B7B-4D52-B766-2D317F1F6F70\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:0.0.1:alpha9:*:*:*:*:*:*\",\"matchCriteriaId\":\"E3B8151F-102D-403B-BA6A-718913749FB4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fluxcd:kustomize-controller:0.0.1:beta1:*:*:*:*:*: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Party Advisory\"]},{\"url\":\"https://github.com/kubernetes/apimachinery/issues/131\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/fluxcd/flux2/security/advisories/GHSA-f4p5-x4vc-mh4v\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/kubernetes/apimachinery/issues/131\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]}]}}"
  }
}


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Sightings

Author Source Type Date

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.