{
  "id": "CVE-2016-7093",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2016-09-21T14:25:24.097",
  "lastModified": "2017-07-01T01:30:04.890",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation."
    },
    {
      "lang": "es",
      "value": "Xen 4.5.3, 4.6.3 y 4.7.x permiten a administradores locales del SO invitado HVM sobreescribir memoria del hipervisor y consecuentemente obtener privilegios del SO anfitri\u00f3n aprovechando el mal manejo del truncamiento del puntero de instrucci\u00f3n durante la emulaci\u00f3n."
    }
  ],
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        "type": "Primary",
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.2,
          "baseSeverity": "HIGH"
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        "exploitabilityScore": 1.5,
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    ],
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          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
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          "baseScore": 7.2
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        "baseSeverity": "HIGH",
        "exploitabilityScore": 3.9,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
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      "description": [
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          "value": "CWE-264"
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  "references": [
    {
      "url": "http://support.citrix.com/article/CTX216071",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/92865",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1036752",
      "source": "cve@mitre.org",
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        "Third Party Advisory"
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      "url": "http://xenbits.xen.org/xsa/advisory-186.html",
      "source": "cve@mitre.org",
      "tags": [
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    {
      "url": "http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emulate.patch",
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    {
      "url": "https://security.gentoo.org/glsa/201611-09",
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}