CVE-2012-3516

{"id": "CVE-2012-3516", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2012-11-23T20:55:03.650", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/50472", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/50530", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://support.citrix.com/article/CTX134708", "tags": ["Patch", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking", "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2012/09/05/11", "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/55411", "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-264"}]}], "descriptions": [{"lang": "en", "value": "The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location."}, {"lang": "es", "value": "La sub-operaci\u00f3n GNTTABOP_swap_grant_ref en el \"grant table hypercall\" en Xen v4.2 y Citrix XenServer v6.0.2 permite a los kernels locales de invitado o administradores causar una denegaci\u00f3n de servicio (ca\u00edda del host) y, posiblemente, obtener privilegios a trav\u00e9s de una referencia manipulada que genera una escritura en una ubicaci\u00f3n en memoria del hipervisor"}], "lastModified": "2013-02-01T04:49:39.520", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "24FCA867-7158-459C-9D6C-75A39263F00A", "versionEndIncluding": "6.0.2"}, {"criteria": "cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}