{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "752EEB49-6865-41D2-95AB-AE2C01A3DF9B",
              "versionEndExcluding": "6.9.10-69",
              "versionStartIncluding": "6.9.9-34",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "010CA5D7-72FB-40D2-B832-30482C376823",
              "versionEndExcluding": "7.0.9-0",
              "versionStartIncluding": "7.0.0-0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In ParseMetaGeometry() of MagickCore/geometry.c, image height and width calculations can lead to divide-by-zero conditions which also lead to undefined behavior. This flaw can be triggered by a crafted input file processed by ImageMagick and could impact application availability. The patch uses multiplication in addition to the function `PerceptibleReciprocal()` in order to prevent such divide-by-zero conditions. This flaw affects ImageMagick versions prior to 7.0.9-0."
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n ParseMetaGeometry() del archivo MagickCore/geometry.c, los c\u00e1lculos de altura y ancho de la imagen pueden conllevar a condiciones de divisi\u00f3n por cero que tambi\u00e9n conllevan a un comportamiento indefinido.\u0026#xa0;Este fallo puede ser desencadenado por un archivo de entrada dise\u00f1ado procesado por ImageMagick y podr\u00eda impactar la disponibilidad de la aplicaci\u00f3n.\u0026#xa0;El parche utiliza la multiplicaci\u00f3n aunado a la funci\u00f3n \"PerceptibleReciprocal()\" a fin de impedir tales condiciones de divisi\u00f3n por cero.\u0026#xa0;Este fallo afecta a ImageMagick versiones anteriores a 7.0.9-0"
    }
  ],
  "id": "CVE-2020-27756",
  "lastModified": "2024-11-21T05:21:46.260",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-12-08T22:15:18.383",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1894233"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1894233"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-369"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Primary"
    }
  ]
}