{
  "id": "CVE-2016-1886",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2016-05-25T15:59:02.677",
  "lastModified": "2017-04-20T01:59:00.173",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Integer signedness error in the genkbd_commonioctl function in sys/dev/kbd/kbd.c in FreeBSD 9.3 before p42, 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to obtain sensitive information from kernel memory, cause a denial of service (memory overwrite and kernel crash), or gain privileges via a negative value in the flen structure member in the arg argument in a SETFKEY ioctl call, which triggers a \"two way heap and stack overflow.\""
    },
    {
      "lang": "es",
      "value": "Error de entero sin signo en la funci\u00f3n genkbd_commonioctl en sys/dev/kbd/kbd.c en FreeBSD 9.3 en versiones anteriores a p42, 10.1 en versiones anteriores a p34, 10.2 en versiones anteriores a p17 y 10.3 en versiones anteriores a p3 permite a usuarios locales obtener informaci\u00f3n sensible de la memoria del kernel, causar una denegaci\u00f3n de servicio (sobrescribir memoria y ca\u00edda del kernel), u obtener privilegios a trav\u00e9s de un valor negativo en el mimebro de estructura flen en el argumento arg en una llamada SETFKEY ioctl, lo que desencadena un \"desbordamiento de pila y memoria din\u00e1mica en dos sentidos\""
    }
  ],
  "metrics": {
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        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ],
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          "accessVector": "LOCAL",
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          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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  ],
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    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:freebsd:freebsd:9.3:*:*:*:*:*:*:*",
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  "references": [
    {
      "url": "http://cturt.github.io/SETFKEY.html",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/90734",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1035905",
      "source": "cve@mitre.org"
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      "url": "https://security.FreeBSD.org/patches/SA-16:18/atkbd.patch",
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      "url": "https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc",
      "source": "cve@mitre.org",
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        "Vendor Advisory"
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}