{
  "id": "CVE-2020-7870",
  "sourceIdentifier": "vuln@krcert.or.kr",
  "published": "2021-06-29T14:15:08.307",
  "lastModified": "2022-08-05T15:17:04.700",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A memory corruption vulnerability exists when ezPDF improperly handles the parameter. This vulnerability exists due to insufficient validation of the parameter."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de corrupci\u00f3n de memoria cuando ezPDF maneja inapropiadamente el par\u00e1metro. Esta vulnerabilidad se presenta debido a una comprobaci\u00f3n insuficiente del par\u00e1metro"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9
      },
      {
        "source": "vuln@krcert.or.kr",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "HIGH",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 0.5,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
      "source": "vuln@krcert.or.kr",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:unidocs:ezpdf_editor:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "3.0.6.5",
              "matchCriteriaId": "24BC1710-862D-4B50-A1DC-AAE83B69E936"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:unidocs:ezpdf_reader:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "3.0.0.2",
              "matchCriteriaId": "7A47A9B3-6183-4677-87D9-A41A7D67BD0A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36099",
      "source": "vuln@krcert.or.kr",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}