{ "id": "CVE-2015-8550", "sourceIdentifier": "cve@mitre.org", "published": "2016-04-14T14:59:04.347", "lastModified": "2017-11-04T01:29:12.927", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability." }, { "lang": "es", "value": "Xen, cuando se utiliza en un sistema que proporciona backends PV, permite a administradores locales del SO invitado causar una denegaci\u00f3n de servicio (ca\u00edda de SO anfitri\u00f3n) o la obtenci\u00f3n de privilegios escribiendo en la memoria compartida por el frontend y el backend, tambi\u00e9n conocida como una vulnerabilidad de doble recuperaci\u00f3n." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.5, "impactScore": 6.0 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "COMPLETE", "baseScore": 5.7 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.1, "impactScore": 8.5, "acInsufInfo": true, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-284" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*", "matchCriteriaId": "BFA1950D-1D9F-4401-AA86-CF3028EFD286" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12:sp1:*:*:*:*:*:*", "matchCriteriaId": "5AB3CAA1-C20C-4A86-841E-EC0858164D7D" } ] } ] } ], "references": [ { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html", "source": "cve@mitre.org" }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html", "source": "cve@mitre.org" }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.debian.org/security/2016/dsa-3434", "source": "cve@mitre.org" }, { "url": "http://www.debian.org/security/2016/dsa-3471", "source": "cve@mitre.org" }, { "url": "http://www.debian.org/security/2016/dsa-3519", "source": "cve@mitre.org" }, { "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html", "source": "cve@mitre.org" }, { "url": "http://www.securityfocus.com/bid/79592", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1034479", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://xenbits.xen.org/xsa/advisory-155.html", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://security.gentoo.org/glsa/201604-03", "source": "cve@mitre.org" } ] }