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CVE-2018-0503

Estado: ModificadaMedia (4.3)—

Mediawiki en versiones 1.31 anteriores a la 1.31.1, 1.30.1, 1.29.3 y 1.27.5 contiene un fallo en el que, contrario a lo que pone en su documentación, la entrada $wgRateLimits para "user" sobrescribe la de "newbie".

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 (2)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-0503",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@debian.org",
      "affectedData": [
        {
          "vendor": "mediawiki",
          "product": "mediawiki",
          "versions": [
            {
              "status": "affected",
              "version": "before 1.31.1, 1.30.1, 1.29.3 and 1.27.5"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-10-04T20:29:00.327",
  "references": [
    {
      "url": "http://www.securitytracker.com/id/1041695",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:3142",
      "source": "security@debian.org"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:3238",
      "source": "security@debian.org"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:3813",
      "source": "security@debian.org"
    },
    {
      "url": "https://lists.wikimedia.org/pipermail/wikitech-l/2018-September/090849.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://phabricator.wikimedia.org/T169545",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://www.debian.org/security/2018/dsa-4301",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1041695",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:3142",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:3238",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:3813",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.wikimedia.org/pipermail/wikitech-l/2018-September/090849.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://phabricator.wikimedia.org/T169545",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.debian.org/security/2018/dsa-4301",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'."
    },
    {
      "lang": "es",
      "value": "Mediawiki en versiones 1.31 anteriores a la 1.31.1, 1.30.1, 1.29.3 y 1.27.5 contiene un fallo en el que, contrario a lo que pone en su documentación, la entrada $wgRateLimits para \"user\" sobrescribe la de \"newbie\"."
    }
  ],
  "lastModified": "2026-06-17T01:31:01.950",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FB2A2066-8996-48B5-A5F8-E08443D24B7A",
              "versionEndExcluding": "1.31.1",
              "versionStartIncluding": "1.31.0"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.27.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "22E2BE13-CEE0-42ED-BC24-C5ED4EDBAF6F"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.29.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DD65E2E1-4634-4AE4-9631-4C3352991263"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.30.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4F24125C-A1AD-4CED-953F-E2D942AB02FA"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@debian.org"
}