CVE-2017-10920

{"id": "CVE-2017-10920", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.9}]}, "published": "2017-07-05T01:29:00.830", "references": [{"url": "http://www.debian.org/security/2017/dsa-3969", "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1038734", "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/201708-03", "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/201710-17", "source": "cve@mitre.org"}, {"url": "https://xenbits.xen.org/xsa/advisory-224.html", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.debian.org/security/2017/dsa-3969", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securitytracker.com/id/1038734", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201708-03", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201710-17", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://xenbits.xen.org/xsa/advisory-224.html", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "The grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map unmapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 1."}, {"lang": "es", "value": "La caracter\u00edstica de tabla grant en Xen, hasta las versiones 4.8.x, gestiona de manera incorrecta un mapeo de GNTMAP_device_map y GNTMAP_host_map cuando este va seguido \u00fanicamente de una desasignaci\u00f3n (unmapping) de GNTMAP_host_map, lo que permite que los usuarios invitados del sistema operativo provoquen una denegaci\u00f3n de servicio (mala gesti\u00f3n del conteo y corrupci\u00f3n de memoria) u obtengan privilegios de acceso al sistema operativo anfitri\u00f3n. Esto tambi\u00e9n se conoce como XSA-224, fallo 1."}], "lastModified": "2024-11-21T03:06:45.280", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7494A471-EEFC-44F4-96B1-FDBA3B780313", "versionEndIncluding": "4.8.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}