CVE-2018-16847

{"id": "CVE-2018-16847", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 5.3, "exploitabilityScore": 1.1}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2018-11-02T22:29:00.347", "references": [{"url": "http://www.securityfocus.com/bid/105866", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://usn.ubuntu.com/3826-1/", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.openwall.com/lists/oss-security/2018/11/02/1", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process."}, {"lang": "es", "value": "Se ha encontrado un problema de acceso fuera de l\u00edmites al b\u00fafer de memoria din\u00e1mica (heap) r/w en la emulaci\u00f3n NVM Express Controller en QEMU. Podr\u00eda ocurrir en las rutinas nvme_cmb_ops en el dispositivo nvme. Un proceso/usuario invitado podr\u00eda emplear este error para provocar el cierre inesperado del proceso QEMU, lo que resulta en una denegaci\u00f3n de servicio (DoS) o en la potencial ejecuci\u00f3n de c\u00f3digo arbitrario con los privilegios del proceso QEMU."}], "lastModified": "2020-05-14T15:01:50.130", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "16AFB9CD-95CF-4552-A8C1-1B4F496925B6", "versionEndIncluding": "3.0.0"}, {"criteria": "cpe:2.3:a:qemu:qemu:3.1.0:rc0:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C726BD36-EA1B-4260-ABCD-29587B584058"}, {"criteria": "cpe:2.3:a:qemu:qemu:3.1.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58E67452-3056-42CF-A6A0-EFB854366642"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}