CVE-2012-3495

{"id": "CVE-2012-3495", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:C", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 8.5, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2012-11-23T20:55:03.150", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html", "source": "secalert@redhat.com"}, {"url": "http://lists.xen.org/archives/html/xen-announce/2012-09/msg00001.html", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/51413", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/55082", "source": "secalert@redhat.com"}, {"url": "http://security.gentoo.org/glsa/glsa-201309-24.xml", "source": "secalert@redhat.com"}, {"url": "http://support.citrix.com/article/CTX134708", "source": "secalert@redhat.com"}, {"url": "http://wiki.xen.org/wiki/Security_Announcements#XSA-13_hypercall_physdev_get_free_pirq_vulnerability", "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2012/09/05/6", "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/55406", "source": "secalert@redhat.com"}, {"url": "http://www.securitytracker.com/id?1027480", "source": "secalert@redhat.com"}, {"url": "http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/6779ddca8593", "source": "secalert@redhat.com"}, {"url": "https://security.gentoo.org/glsa/201604-03", "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "The physdev_get_free_pirq hypercall in arch/x86/physdev.c in Xen 4.1.x and Citrix XenServer 6.0.2 and earlier uses the return value of the get_free_pirq function as an array index without checking that the return value indicates an error, which allows guest OS users to cause a denial of service (invalid memory write and host crash) and possibly gain privileges via unspecified vectors."}, {"lang": "es", "value": "La hypercall physdev_get_free_pirq en arch/x86/physdev.c en Xen v4.1.x y Citrix XenServer v6.0.2 y anteriores utiliza el valor devuelto por la funci\u00f3n get_free_pirq como un \u00edndice de la matriz sin comprobar que el valor de retorno indica un error, permitiendo a los hu\u00e9spedes del OS invitado causar una denegaci\u00f3n de servicio (escritura de memoria no v\u00e1lidas y ca\u00edda del host) y, posiblemente, obtener privilegios a trav\u00e9s de vectores no especificados."}], "lastModified": "2017-07-01T01:29:02.140", "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:a:citrix:xenserver:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "57F938EB-46B0-4D82-98D3-1FCB22C02F8E"}, {"criteria": "cpe:2.3:a:citrix:xenserver:5.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "642BB495-D395-4951-A863-00B52A6BBE83"}, {"criteria": "cpe:2.3:a:citrix:xenserver:5.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0185CA86-C2BE-4445-A053-0FBDC670ED88"}, {"criteria": "cpe:2.3:a:citrix:xenserver:5.6:fp1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6444BE32-E02D-49E3-BC2F-DE0593ADAF88"}, {"criteria": "cpe:2.3:a:citrix:xenserver:5.6:sp2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB215BC8-3376-42B8-98E3-7484715AB93F"}, {"criteria": "cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9C1D10B8-202D-44A4-A872-88D7C11488D1"}, {"criteria": "cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D532B60-C8DD-4A2F-9D05-E574D23EB754"}, {"criteria": "cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5D83CA8B-8E49-45FA-8FAB-C15052474542"}, {"criteria": "cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "27537DF5-7E0F-463F-BA87-46E329EE07AC"}, {"criteria": "cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3EA4F978-9145-4FE6-B4F9-15207E52C40A"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}