{
  "id": "CVE-2018-6343",
  "sourceIdentifier": "cve-assign@fb.com",
  "published": "2018-12-31T22:29:00.527",
  "lastModified": "2019-10-09T23:41:47.377",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Proxygen fails to validate that a secondary auth manager is set before dereferencing it. That can cause a denial of service issue when parsing a Certificate/CertificateRequest HTTP2 Frame over a fizz (TLS 1.3) transport. This issue affects Proxygen releases starting from v2018.10.29.00 until the fix in v2018.11.19.00."
    },
    {
      "lang": "es",
      "value": "Proxygen no logra validar que un gestor de autenticaci\u00f3n secundario sea fijado antes de desreferenciarse. Esto podr\u00eda provocar una denegaci\u00f3n de servicio (DoS) cuando se analiza un frame HTTP2 \"Certificate/CertificateRequest\" sobre un transporte del tipo fizz (TLS 1.3). Este problema afecta a las distribuciones de Proxygen desde la versi\u00f3n v2018.10.29.00 hasta que se arregla en la v2018.10.29.00."
    }
  ],
  "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-20"
        }
      ]
    },
    {
      "source": "cve-assign@fb.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:facebook:proxygen:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2018.10.29.00",
              "versionEndExcluding": "2018.11.19.00",
              "matchCriteriaId": "2AE8279F-6D1C-49A7-BD94-40EEB7DA3B6F"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/facebook/proxygen/commit/0600ebe59c3e82cd012def77ca9ca1918da74a71",
      "source": "cve-assign@fb.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}