CVE-2013-2171

{"id": "CVE-2013-2171", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2013-07-02T03:43:33.647", "references": [{"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"}, {"url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-13:06.mmap.asc", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"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"}, {"url": "http://www.freebsd.org/security/advisories/FreeBSD-SA-13:06.mmap.asc", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-264"}]}], "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\"."}], "lastModified": "2024-11-21T01:51:10.763", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"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"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}