{
  "id": "CVE-2017-9763",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2017-06-19T16:29:00.797",
  "lastModified": "2017-07-05T17:54:49.083",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The grub_ext2_read_block function in fs/ext2.c in GNU GRUB before 2013-11-12, as used in shlr/grub/fs/ext2.c in radare2 1.5.0, allows remote attackers to cause a denial of service (excessive stack use and application crash) via a crafted binary file, related to use of a variable-size stack array."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n grub_ext2_read_block en fs/ext2.c en GNU GRUB antes del 2013-11-12, tal y como se usa en shlr/grub/fs/ext2.c en radare2 1.5.0, permite que atacantes remotos provoquen una denegaci\u00f3n de servicio (uso excesivo de la pila y cierre inesperado de la aplicaci\u00f3n) mediante un archivo binario manipulado. Esto est\u00e1 relacionado con el uso de un array de pila variable-size."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "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-119"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:radare:radare2:1.5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "1F6336FC-AB50-4F45-B01E-2BC3BA758117"
            }
          ]
        }
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  ],
  "references": [
    {
      "url": "http://git.savannah.gnu.org/cgit/grub.git/commit/grub-core/fs/ext2.c?id=ac8cac1dac50daaf1c390d701cca3b55e16ee768",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/99141",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://github.com/radare/radare2/commit/65000a7fd9eea62359e6d6714f17b94a99a82edd",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/radare/radare2/issues/7723",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}