{ "id": "CVE-2015-8554", "sourceIdentifier": "cve@mitre.org", "published": "2016-04-14T14:59:05.223", "lastModified": "2017-07-01T01:29:26.483", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a \"write path.\"" }, { "lang": "es", "value": "Desbordamiento de buffer en hw/pt-msi.c en Xen 4.6.x y versiones anteriores, cuando se utiliza el modelo de dispositivo qemu-xen-traditional (tambi\u00e9n conocido como qemu-dm), permite a administradores locales x86 HVM invitados obtener privilegios aprovechando un sistema con acceso a un dispositivo PCI f\u00edsico con capacidad de paso a trav\u00e9s de MSI-X y a entradas de tabla MSI-X, relacionado con una \"ruta de escritura\"." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 0.8, "impactScore": 6.0 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:M/Au:S/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "MEDIUM", "authentication": "SINGLE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 6.6 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 2.7, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-119" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "versionEndIncluding": "4.6.1", "matchCriteriaId": "AF989165-3B7E-4743-8E97-6558BD164A8F" } ] } ] } ], "references": [ { "url": "http://support.citrix.com/article/CTX203879", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html", "source": "cve@mitre.org" }, { "url": "http://www.securityfocus.com/bid/79579", "source": "cve@mitre.org" }, { "url": "http://www.securitytracker.com/id/1034481", "source": "cve@mitre.org" }, { "url": "http://xenbits.xen.org/xsa/advisory-164.html", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://security.gentoo.org/glsa/201604-03", "source": "cve@mitre.org" } ] }