CVE-2013-4851

{"id": "CVE-2013-4851", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2013-07-29T13:59:56.933", "references": [{"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": "cve@mitre.org"}, {"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", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-264"}]}], "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."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:8.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "30C501A1-FE2D-41E7-A5DB-C61D8701B9B4"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E6BD5BFF-260A-4A9E-B0AA-C8B8386B154E"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:9.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D78E559A-430D-4D50-8A83-58A37D393471"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:9.1:p4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD6B2A2E-6E8C-40D7-B29F-1FC9E8B1076B"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:9.1:p5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0ADB3AF3-5E13-4EC3-AE3C-128DF51E1DF9"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}