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CVE-2012-4885

Estado: ModificadaMedia (5)—

El analizador wikitext en MediaWiki 1.17.x antes de 1.17.3 y 1.18.x antes de 1.18.2 permite a atacantes remotos provocar una denegación de servicio (bucle infinito) a través de ciertas entradas, como lo demuestra la función PadLeft.

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)

Mediawiki — Mediawiki

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2012-4885",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-09-09T21:55:07.510",
  "references": [
    {
      "url": "http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000109.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000110.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/48504",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2012/03/22/9",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2012/03/24/1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/52689",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.wikimedia.org/show_bug.cgi?id=22555",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.wikimedia.org/show_bug.cgi?id=35315",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000109.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000110.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/48504",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2012/03/22/9",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.openwall.com/lists/oss-security/2012/03/24/1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/52689",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.wikimedia.org/show_bug.cgi?id=22555",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.wikimedia.org/show_bug.cgi?id=35315",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to cause a denial of service (infinite loop) via certain input, as demonstrated by the padleft function."
    },
    {
      "lang": "es",
      "value": "El analizador wikitext en MediaWiki 1.17.x antes de 1.17.3 y 1.18.x antes de 1.18.2 permite a atacantes remotos provocar una denegación de servicio (bucle infinito) a través de ciertas entradas, como lo demuestra la función PadLeft."
    }
  ],
  "lastModified": "2026-06-16T23:45:50.860",
  "configurations": [
    {
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        {
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  "sourceIdentifier": "cve@mitre.org"
}