CVE-2022-31078

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Prior to versions 1.11.1, 1.10.2, and 1.9.4, the CloudCore Router does not impose a limit on the size of responses to requests made by the REST handler. An attacker could use this weakness to make a request that will return an HTTP response with a large body and cause DoS of CloudCore. In the HTTP Handler API, the rest handler makes a request to a pre-specified handle. The handle will return an HTTP response that is then read into memory. The consequence of the exhaustion is that CloudCore will be in a denial of service. Only an authenticated user of the cloud can make an attack. It will be affected only when users enable `router` module in the config file `cloudcore.yaml`. This bug has been fixed in Kubeedge 1.11.1, 1.10.2, and 1.9.4. As a workaround, disable the router switch in the config file `cloudcore.yaml`."}, {"lang": "es", "value": "KubeEdge es un sistema de c\u00f3digo abierto para extender las capacidades de orquestaci\u00f3n de aplicaciones nativas en contenedores a los hosts en Edge. En versiones anteriores a 1.11.1, 1.10.2 y 1.9.4, el enrutador CloudCore no impone un l\u00edmite al tama\u00f1o de las respuestas a las peticiones realizadas por el manejador REST. Un atacante podr\u00eda usar esta debilidad para hacer una petici\u00f3n que devuelva una respuesta HTTP con un cuerpo grande y causar DoS de CloudCore. En la API del manejador HTTP, el manejador de descanso hace una petici\u00f3n a un manejador preestablecido. El manejador devolver\u00e1 una respuesta HTTP que luego es le\u00edda en la memoria. La consecuencia del agotamiento es que CloudCore ser\u00e1 encontrado en una situaci\u00f3n de denegaci\u00f3n de servicio. S\u00f3lo un usuario autenticado de la nube puede realizar un ataque. S\u00f3lo est\u00e1 afectado cuando los usuarios habiliten el m\u00f3dulo \"router\" en el archivo de configuraci\u00f3n \"cloudcore.yaml\". Este error ha sido corregido en Kubeedge versiones 1.11.1, 1.10.2 y 1.9.4. Como mitigaci\u00f3n, deshabilite el interruptor del enrutador en el archivo de configuraci\u00f3n \"cloudcore.yaml\""}], "id": "CVE-2022-31078", "lastModified": "2026-06-17T04:44:44.967", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-31078", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-23T14:03:35.730251Z", "version": "2.0.3"}}]}, "published": "2022-07-11T21:15:08.267", "references": [{"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/kubeedge/kubeedge/security/advisories/GHSA-qpx3-9565-5xwm"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/kubeedge/kubeedge/security/advisories/GHSA-qpx3-9565-5xwm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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