{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-39346", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "dateUpdated": "2022-12-09T00:00:00", "dateReserved": "2022-09-02T00:00:00", "datePublished": "2022-11-25T00:00:00"}, "containers": {"cna": {"title": "Missing length validation of user displayname in nextcloud server", "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2022-12-09T00:00:00"}, "descriptions": [{"lang": "en", "value": "Nextcloud server is an open source personal cloud server. Affected versions of nextcloud server did not properly limit user display names which could allow a malicious users to overload the backing database and cause a denial of service. It is recommended that the Nextcloud Server is upgraded to 22.2.10, 23.0.7 or 24.0.3. There are no known workarounds for this issue."}], "affected": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"version": "< 22.2.10", "status": "affected"}, {"version": ">= 23.0.0, < 23.0.7", "status": "affected"}, {"version": ">= 24.0.0, < 24.0.3", "status": "affected"}]}], "references": [{"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6w9f-jgjx-4vj6"}, {"url": "https://github.com/nextcloud/server/pull/33052"}, {"url": "https://hackerone.com/reports/1588562"}, {"name": "FEDORA-2022-902df3b060", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TARDPRPBTI5TJRBYRVVQGTL6KWRCV5/"}, {"name": "FEDORA-2022-49b20342c0", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRAER4DCCHHSUDFHQ6LTIH4JEJFF73IU/"}, {"name": "FEDORA-2022-98c1d712b5", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R32L3P53AQKQQC652LA5U3AWFTZKPDK3/"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 3.5, "baseSeverity": "LOW"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "cweId": "CWE-400"}]}, {"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-20: Improper Input Validation", "cweId": "CWE-20"}]}], "source": {"advisory": "GHSA-6w9f-jgjx-4vj6", "discovery": "UNKNOWN"}}}}

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Affected versions of nextcloud server did not properly limit user display names which could allow a malicious users to overload the backing database and cause a denial of service. It is recommended that the Nextcloud Server is upgraded to 22.2.10, 23.0.7 or 24.0.3. There are no known workarounds for this issue."}, {"lang": "es", "value": "El servidor Nextcloud es un servidor en la nube personal de c\u00f3digo abierto. Las versiones afectadas del servidor nextcloud no limitaban adecuadamente los nombres para mostrar de los usuarios, lo que podr\u00eda permitir que usuarios malintencionados sobrecarguen la base de datos de respaldo y provoquen una denegaci\u00f3n de servicio. Se recomienda actualizar el servidor Nextcloud a 22.2.10, 23.0.7 o 24.0.3. No se conocen workarounds para este problema."}], "id": "CVE-2022-39346", "lastModified": "2023-11-07T03:50:27.250", "metrics": {"cvssMetricV31": [{"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"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2022-11-25T19:15:11.623", "references": [{"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6w9f-jgjx-4vj6"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/nextcloud/server/pull/33052"}, {"source": "security-advisories@github.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/1588562"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TARDPRPBTI5TJRBYRVVQGTL6KWRCV5/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R32L3P53AQKQQC652LA5U3AWFTZKPDK3/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRAER4DCCHHSUDFHQ6LTIH4JEJFF73IU/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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