CVE-2020-15687

{"id": "CVE-2020-15687", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2020-08-31T16:15:14.897", "references": [{"url": "https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://projectacrn.github.io/latest/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://projectacrn.github.io/latest/developer-guides/hld/split-dm.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "Missing access control restrictions in the Hypervisor component of the ACRN Project (v2.0 and v1.6.1) allow a malicious entity, with root access in the Service VM userspace, to abuse the PCIe assign/de-assign Hypercalls via crafted ioctls and payloads. This attack results in a corrupt state and Denial of Service (DoS) for previously assigned PCIe devices to the Service VM at runtime."}, {"lang": "es", "value": "Una falta de restricciones del control de acceso en el componente Hypervisor del CRN Project (versiones v2.0 y v1.6.1), permite a una entidad maliciosa con acceso root en el espacio de usuario de Service VM, abusar de las Hypercalls de asignaci\u00f3n y desasignaci\u00f3n de PCIe por medio de ioctls y cargas \u00fatiles dise\u00f1adas. Este ataque resulta en un estado corrupto y una Denegaci\u00f3n de Servicio (DoS) para dispositivos PCIe asignados previamente a la Service VM en tiempo de ejecuci\u00f3n"}], "lastModified": "2020-09-08T19:20:19.730", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linuxfoundation:acrn:1.6.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "850138C2-B1B6-4C61-A646-3021B83A2B64"}, {"criteria": "cpe:2.3:o:linuxfoundation:acrn:2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A5B5CE9-4F67-4327-96DA-137B2693681B"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}