CVE-2023-48306

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-48306", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-11-14T17:41:15.572Z", "datePublished": "2023-11-21T22:20:28.083Z", "dateUpdated": "2024-08-02T21:23:39.458Z"}, "containers": {"cna": {"title": "Nextcloud Server DNS pin middleware can be tricked into DNS rebinding allowing SSRF", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8f69-f9jg-4x3v", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8f69-f9jg-4x3v"}, {"name": "https://github.com/nextcloud/server/pull/40234", "tags": ["x_refsource_MISC"], "url": "https://github.com/nextcloud/server/pull/40234"}, {"name": "https://hackerone.com/reports/2115212", "tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/2115212"}], "affected": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"version": ">= 22.0.0, < 22.2.10.16", "status": "affected"}, {"version": ">= 23.0.0, < 23.0.12.11", "status": "affected"}, {"version": ">= 24.0.0, < 24.0.12.7", "status": "affected"}, {"version": ">= 25.0.0, < 25.0.11", "status": "affected"}, {"version": ">= 26.0.0, < 26.0.6", "status": "affected"}, {"version": ">= 27.0.0, < 27.1.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-11-21T22:20:28.083Z"}, "descriptions": [{"lang": "en", "value": "Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and starting in version 22.0.0 and prior to versions 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Enterprise Server, the DNS pin middleware was vulnerable to DNS rebinding allowing an attacker to perform SSRF as a final result. Nextcloud Server 25.0.11, 26.0.6, and 27.1.0 and Nextcloud Enterprise Server 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 contain patches for this issue. No known workarounds are available."}], "source": {"advisory": "GHSA-8f69-f9jg-4x3v", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T21:23:39.458Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8f69-f9jg-4x3v", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8f69-f9jg-4x3v"}, {"name": "https://github.com/nextcloud/server/pull/40234", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/nextcloud/server/pull/40234"}, {"name": "https://hackerone.com/reports/2115212", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/2115212"}]}]}}

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{"affected": [{"affectedData": [{"product": "security-advisories", "vendor": "nextcloud", "versions": [{"status": "affected", "version": ">= 22.0.0, < 22.2.10.16"}, {"status": "affected", "version": ">= 23.0.0, < 23.0.12.11"}, {"status": "affected", "version": ">= 24.0.0, < 24.0.12.7"}, {"status": "affected", "version": ">= 25.0.0, < 25.0.11"}, {"status": "affected", "version": ">= 26.0.0, < 26.0.6"}, {"status": "affected", "version": ">= 27.0.0, < 27.1.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "429A249E-7FF9-495A-9158-95B888ABD8D2", "versionEndExcluding": "22.2.10.16", "versionStartIncluding": "22.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "465AAFF0-9D24-451A-AAAE-9340A8BE1EC5", "versionEndExcluding": "23.0.12.11", "versionStartIncluding": "23.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "040721D3-7E8A-4DC2-978D-9AE6D5A606F5", "versionEndExcluding": "24.0.12.7", "versionStartIncluding": "24.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "matchCriteriaId": "CFCB9CDB-F661-496E-86B7-25B228A3C90E", "versionEndExcluding": "25.0.11", "versionStartIncluding": "25.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "37949CD5-0B2D-40BE-83C8-E6A03CD0F7C9", "versionEndExcluding": "25.0.11", "versionStartIncluding": "25.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "matchCriteriaId": "9E2008E1-AFAE-40F5-8D64-A019F2222AA2", "versionEndExcluding": "26.0.6", "versionStartIncluding": "26.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "4C98058B-06EF-446E-A39D-F436627469C1", "versionEndExcluding": "26.0.6", "versionStartIncluding": "26.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "matchCriteriaId": "B8F5C07F-E133-4C54-B9A7-95A38086B28A", "versionEndExcluding": "27.1.0", "versionStartIncluding": "27.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "E29703CE-0A92-47F3-96AE-0AC27641ECDF", "versionEndExcluding": "27.1.0", "versionStartIncluding": "27.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and starting in version 22.0.0 and prior to versions 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Enterprise Server, the DNS pin middleware was vulnerable to DNS rebinding allowing an attacker to perform SSRF as a final result. Nextcloud Server 25.0.11, 26.0.6, and 27.1.0 and Nextcloud Enterprise Server 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 contain patches for this issue. No known workarounds are available."}, {"lang": "es", "value": "Nextcloud Server proporciona almacenamiento de datos para Nextcloud, una plataforma en la nube de c\u00f3digo abierto. A partir de la versi\u00f3n 25.0.0 y anteriores a las versiones 25.0.11, 26.0.6 y 27.1.0 de Nextcloud Server y a partir de la versi\u00f3n 22.0.0 y anteriores a las versiones 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0. 11, 26.0.6 y 27.1.0 de Nextcloud Enterprise Server, el middleware de pines de DNS era vulnerable a la nueva vinculaci\u00f3n de DNS, lo que permit\u00eda a un atacante realizar SSRF como resultado final. Nextcloud Server 25.0.11, 26.0.6 y 27.1.0 y Nextcloud Enterprise Server 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6 y 27.1.0 contienen parches para este problema. No hay workarounds conocidos disponibles."}], "id": "CVE-2023-48306", "lastModified": "2026-06-17T06:33:58.300", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-11-21T23:15:07.600", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8f69-f9jg-4x3v"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://github.com/nextcloud/server/pull/40234"}, {"source": "security-advisories@github.com", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/2115212"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8f69-f9jg-4x3v"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://github.com/nextcloud/server/pull/40234"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/2115212"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-918"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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