{ "id": "CVE-2018-16847", "sourceIdentifier": "secalert@redhat.com", "published": "2018-11-02T22:29:00.347", "lastModified": "2024-11-21T03:53:26.260", "vulnStatus": "Modified", "cveTags": [], "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." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ], "cvssMetricV30": [ { "source": "secalert@redhat.com", "type": "Secondary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H", "baseScore": 7.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.1, "impactScore": 5.3 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "baseScore": 4.6, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "secalert@redhat.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-787" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-125" }, { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "versionEndIncluding": "3.0.0", "matchCriteriaId": "16AFB9CD-95CF-4552-A8C1-1B4F496925B6" }, { "vulnerable": true, "criteria": "cpe:2.3:a:qemu:qemu:3.1.0:rc0:*:*:*:*:*:*", "matchCriteriaId": "C726BD36-EA1B-4260-ABCD-29587B584058" }, { "vulnerable": true, "criteria": "cpe:2.3:a:qemu:qemu:3.1.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "58E67452-3056-42CF-A6A0-EFB854366642" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F" } ] } ] } ], "references": [ { "url": "http://www.securityfocus.com/bid/105866", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/3826-1/", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.openwall.com/lists/oss-security/2018/11/02/1", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "http://www.securityfocus.com/bid/105866", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/3826-1/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.openwall.com/lists/oss-security/2018/11/02/1", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] } ] }