CVE-2013-4851

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2013-07-26T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2013-08-22T09:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://svnweb.freebsd.org/base?view=revision&revision=244226"}, {"name": "FreeBSD-SA-13:08", "tags": ["vendor-advisory", "x_refsource_FREEBSD"], "url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-13:08.nfsserver.asc"}, {"name": "61484", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/61484"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2013-4851", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://svnweb.freebsd.org/base?view=revision&revision=244226", "refsource": "CONFIRM", "url": "http://svnweb.freebsd.org/base?view=revision&revision=244226"}, {"name": "FreeBSD-SA-13:08", "refsource": "FREEBSD", "url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-13:08.nfsserver.asc"}, {"name": "61484", "refsource": "BID", "url": "http://www.securityfocus.com/bid/61484"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T16:59:40.746Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://svnweb.freebsd.org/base?view=revision&revision=244226"}, {"name": "FreeBSD-SA-13:08", "tags": ["vendor-advisory", "x_refsource_FREEBSD", "x_transferred"], "url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-13:08.nfsserver.asc"}, {"name": "61484", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/61484"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2013-4851", "datePublished": "2013-07-28T18:00:00.000Z", "dateReserved": "2013-07-16T00:00:00.000Z", "dateUpdated": "2024-08-06T16:59:40.746Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:8.3:*:*:*:*:*:*:*", "matchCriteriaId": "30C501A1-FE2D-41E7-A5DB-C61D8701B9B4", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "E6BD5BFF-260A-4A9E-B0AA-C8B8386B154E", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:9.1:*:*:*:*:*:*:*", "matchCriteriaId": "D78E559A-430D-4D50-8A83-58A37D393471", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:9.1:p4:*:*:*:*:*:*", "matchCriteriaId": "DD6B2A2E-6E8C-40D7-B29F-1FC9E8B1076B", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:9.1:p5:*:*:*:*:*:*", "matchCriteriaId": "0ADB3AF3-5E13-4EC3-AE3C-128DF51E1DF9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests."}, {"lang": "es", "value": "La funci\u00f3n vfs_hang_addrlist en sys/kern/vfs_export.c en la implementaci\u00f3n del servidor NFS en el kernel de FreeBSD 8.3 y 9.x a la 9.1-RELEASE-p5 controla la autorizaci\u00f3n para exportar las entradas host/subnet en las bases del grupo de informaci\u00f3n enviado por el cliente, lo que permite a atacantes remotos evitar los permisos de ficheros en los sistemas NFS a trav\u00e9s de peticiones manipuladas."}], "id": "CVE-2013-4851", "lastModified": "2026-06-16T23:57:59.923", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-07-29T13:59:56.933", "references": [{"source": "cve@mitre.org", "url": "http://svnweb.freebsd.org/base?view=revision&revision=244226"}, {"source": "cve@mitre.org", "url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-13:08.nfsserver.asc"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/61484"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://svnweb.freebsd.org/base?view=revision&revision=244226"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-13:08.nfsserver.asc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/61484"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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