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{"configurations": [{"nodes": [{"cpeMatch": [{"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}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The vm_map_lookup function in sys/vm/vm_map.c in the mmap implementation in the kernel in FreeBSD 9.0 through 9.1-RELEASE-p4 does not properly determine whether a task should have write access to a memory location, which allows local users to bypass filesystem write permissions and consequently gain privileges via a crafted application that leverages read permissions, and makes mmap and ptrace system calls."}, {"lang": "es", "value": "La funci\u00f3n vm_map_lookup en sys/vm/vm_map.c \r\nen la ejecuci\u00f3n de \"mmap\" en el kernel en FreeBSD v9.0 hasta v9.1-RELEASE-p4 no determina correctamente si una tarea debe tener acceso de escritura a una posici\u00f3n de memoria, que permite a los usuarios locales saltarse permisos de escritura del sistema de archivos y por lo tanto obtener privilegios a trav\u00e9s de una aplicaci\u00f3n manipulada que aprovecha permisos de lectura, y que hace llamadas al sistema \"mmap\" y \"ptrace\"."}], "id": "CVE-2013-2171", "lastModified": "2024-11-21T01:51:10.763", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-07-02T03:43:33.647", "references": [{"source": "secalert@redhat.com", "url": "http://svnweb.freebsd.org/base?view=revision&revision=251901"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2013/dsa-2714"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-13:06.mmap.asc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://svnweb.freebsd.org/base?view=revision&revision=251901"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2013/dsa-2714"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-13:06.mmap.asc"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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