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CVE-2018-0518

Estado: ModificadaMedia (5.9)—

LINE para iOS, en versiones 7.1.3 a 7.1.5, no verifica los certificados X.509 de los servidores SSL, lo que permite que los atacantes Man-in-the-Middle (MitM) suplanten servidores y obtengan información sensible mediante un certificado manipulado.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linecorp — Line

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-0518",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "LINE Corporation",
          "product": "LINE for iOS",
          "versions": [
            {
              "status": "affected",
              "version": "version 7.1.3 to 7.1.5"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-02-23T15:29:00.213",
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN75453852/index.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://linecorp.com/en/security/article/136",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN75453852/index.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://linecorp.com/en/security/article/136",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "LINE for iOS version 7.1.3 to 7.1.5 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate."
    },
    {
      "lang": "es",
      "value": "LINE para iOS, en versiones 7.1.3 a 7.1.5, no verifica los certificados X.509 de los servidores SSL, lo que permite que los atacantes Man-in-the-Middle (MitM) suplanten servidores y obtengan información sensible mediante un certificado manipulado."
    }
  ],
  "lastModified": "2026-06-17T01:31:04.260",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:linecorp:line:*:*:*:*:*:iphone_os:*:*",
              "vulnerable": true,
              "matchCriteriaId": "94094652-671E-4E1D-BE4A-D6FC6538B021",
              "versionEndIncluding": "7.15",
              "versionStartIncluding": "7.1.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}