{
  "id": "CVE-2019-11923",
  "sourceIdentifier": "cve-assign@fb.com",
  "published": "2019-12-04T16:15:11.637",
  "lastModified": "2020-08-24T17:37:01.140",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In Mcrouter prior to v0.41.0, the deprecated ASCII parser would allocate a buffer to a user-specified length with no maximum length enforced, allowing for resource exhaustion or denial of service."
    },
    {
      "lang": "es",
      "value": "En Mcrouter versiones anteriores a la versi\u00f3n  v0.41.0, el analizador ASCII en desuso asignar\u00eda un b\u00fafer a una longitud especificada por el usuario sin una longitud m\u00e1xima aplicada, permitiendo un agotamiento de recursos o una denegaci\u00f3n de servicio."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/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-770"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:facebook:mcrouter:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "0.41.0",
              "matchCriteriaId": "66C7C178-B7FF-4E86-A9CE-1D6BBFF1783F"
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  "references": [
    {
      "url": "https://github.com/facebook/mcrouter/commit/98ce6624cd2563cfdb5da3b2949d5e1e03867034",
      "source": "cve-assign@fb.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
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    },
    {
      "url": "https://github.com/facebook/mcrouter/releases/tag/v0.41.0-release",
      "source": "cve-assign@fb.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.facebook.com/security/advisories/cve-2019-11923",
      "source": "cve-assign@fb.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}