{
  "id": "CVE-2015-5309",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2015-12-07T20:59:08.060",
  "lastModified": "2018-10-30T16:27:35.843",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de entero en el emulador de terminal en PuTTY en versiones anteriores a 0.66 permite a atacantes remotos causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de una secuencia de escape ECH (borrar caracteres) con un valor de par\u00e1metro grande, que desencadena un desbordamiento inferior de buffer."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ]
    }
  ],
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  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173021.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173094.html",
      "source": "secalert@redhat.com"
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    {
      "url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00099.html",
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      "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-ech-overflow.html",
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
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    {
      "url": "http://www.debian.org/security/2015/dsa-3409",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1034308",
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    {
      "url": "https://security.gentoo.org/glsa/201606-01",
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}