{
  "id": "CVE-2018-20030",
  "sourceIdentifier": "PSIRT-CNA@flexerasoftware.com",
  "published": "2019-02-20T17:29:00.820",
  "lastModified": "2020-06-11T15:15:11.113",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources."
    },
    {
      "lang": "es",
      "value": "Un error al procesar las etiquetas EXIF_IFD_INTEROPERABILITY y EXIF_IFD_EXIF en libexif 0.6.21 puede ser explotado para agotar los recursos de la CPU disponibles."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:libexif_project:libexif:0.6.21:*:*:*:*:*:*:*",
              "matchCriteriaId": "F9CA97AE-0601-4A69-BC8A-AEBAF8CD7EEA"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00000.html",
      "source": "PSIRT-CNA@flexerasoftware.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html",
      "source": "PSIRT-CNA@flexerasoftware.com"
    },
    {
      "url": "https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89",
      "source": "PSIRT-CNA@flexerasoftware.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html",
      "source": "PSIRT-CNA@flexerasoftware.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html",
      "source": "PSIRT-CNA@flexerasoftware.com"
    },
    {
      "url": "https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/",
      "source": "PSIRT-CNA@flexerasoftware.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://usn.ubuntu.com/4358-1/",
      "source": "PSIRT-CNA@flexerasoftware.com"
    }
  ]
}