{
  "id": "CVE-2021-29948",
  "sourceIdentifier": "security@mozilla.org",
  "published": "2021-06-24T14:15:09.860",
  "lastModified": "2021-06-30T18:28:55.147",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10."
    },
    {
      "lang": "es",
      "value": "Las firmas son escritas en el disco antes y se leen durante la verificaci\u00f3n, lo que podr\u00eda estar sujeto a una condici\u00f3n de carrera cuando un proceso local malicioso o un usuario est\u00e1 reemplazando el archivo. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 78.10"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 2.5,
          "baseSeverity": "LOW"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:P/A:N",
          "accessVector": "LOCAL",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 1.9
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.4,
        "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-362"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "78.10",
              "matchCriteriaId": "362E8881-7A6C-400C-A128-BBA57710F340"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1692899",
      "source": "security@mozilla.org",
      "tags": [
        "Exploit",
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-14/",
      "source": "security@mozilla.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    }
  ]
}