{
  "id": "CVE-2018-7421",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2018-02-23T22:29:01.763",
  "lastModified": "2023-11-07T03:01:01.733",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification."
    },
    {
      "lang": "es",
      "value": "En Wireshark 2.2.0 a 2.2.12 y 2.4.0 a 2.4.4, el disector DMP podr\u00eda entrar en un bucle infinito. Esto se trat\u00f3 en epan/dissectors/packet-dmp.c soportando correctamente un n\u00famero limitado de Security Categories para DMP Security Classification."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/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:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": true,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2.2.0",
              "versionEndIncluding": "2.2.12",
              "matchCriteriaId": "A70BA080-62E4-40D9-943A-9CF795090B4D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2.4.0",
              "versionEndIncluding": "2.4.4",
              "matchCriteriaId": "7579AF66-0178-41A9-95C8-2B8F25E0D5BF"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14408",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=656812ee1f2a8ddfd383b02a066e888f5919e17a",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e8be5adae469ba563acfad2c2b98673e1afaf901",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.wireshark.org/security/wnpa-sec-2018-06.html",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}