{
  "id": "CVE-2019-17021",
  "sourceIdentifier": "security@mozilla.org",
  "published": "2020-01-08T22:15:12.653",
  "lastModified": "2022-01-01T20:02:27.457",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the parent process. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72."
    },
    {
      "lang": "es",
      "value": "Durante la inicializaci\u00f3n de un nuevo proceso de contenido, ocurre una condici\u00f3n de carrera que puede permitir a un proceso de contenido revelar direcciones de la pila del proceso principal. * Nota: este problema solo ocurre en Windows. Otros sistemas operativos no est\u00e1n afectados. *. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a la versi\u00f3n 68.4 y Firefox versiones anteriores a la versi\u00f3n  72."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "HIGH",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.6
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 4.9,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "72.0",
              "matchCriteriaId": "1398139B-C837-4BF4-8555-5D722B91F646"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "68.4",
              "matchCriteriaId": "ACE15104-6EDD-46EA-9596-28FEB99B563F"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html",
      "source": "security@mozilla.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html",
      "source": "security@mozilla.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html",
      "source": "security@mozilla.org",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1599008",
      "source": "security@mozilla.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Permissions Required"
      ]
    },
    {
      "url": "https://seclists.org/bugtraq/2020/Jan/18",
      "source": "security@mozilla.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-01/",
      "source": "security@mozilla.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-02/",
      "source": "security@mozilla.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}