{
  "id": "CVE-2020-18899",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-08-19T22:15:07.333",
  "lastModified": "2024-11-21T05:08:51.573",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input."
    },
    {
      "lang": "es",
      "value": "Una asignaci\u00f3n de memoria no controlada en la funci\u00f3n DataBufdata(subBox.length-sizeof(box)) de Exiv2 versi\u00f3n 0.27, permite a atacantes causar una denegaci\u00f3n de servicio (DOS) por medio de una entrada dise\u00f1ada."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "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-770"
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:exiv2:exiv2:0.27:-:*:*:*:*:*:*",
              "matchCriteriaId": "1CA51C92-5FB1-4E09-857A-7760A31D3148"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://cwe.mitre.org/data/definitions/789.html",
      "source": "cve@mitre.org",
      "tags": [
        "Technical Description"
      ]
    },
    {
      "url": "https://github.com/Exiv2/exiv2/issues/742",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/202312-06",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://cwe.mitre.org/data/definitions/789.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Technical Description"
      ]
    },
    {
      "url": "https://github.com/Exiv2/exiv2/issues/742",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/202312-06",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}