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CVE-2017-8812

Estado: ModificadaMedia (5.3)—

MediaWiki en versiones anteriores a la 1.27.4; las versiones 1.28.x anteriores a la 1.28.3 y las versiones 1.29.x anteriores a la 1.29.2 permite que atacantes remotos inyecten caracteres > (mayor que) mediante el atributo id de un encabezado.

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)

Debian — Debian LinuxMediawiki — Mediawiki

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2017-8812",
  "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:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@debian.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2",
          "versions": [
            {
              "status": "affected",
              "version": "MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-11-15T08:29:00.750",
  "references": [
    {
      "url": "http://www.securitytracker.com/id/1039812",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html",
      "tags": [
        "Mailing List",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://www.debian.org/security/2017/dsa-4036",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1039812",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html",
      "tags": [
        "Mailing List",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.debian.org/security/2017/dsa-4036",
      "tags": [
        "Third Party Advisory"
      ],
      "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": "MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows remote attackers to inject > (greater than) characters via the id attribute of a headline."
    },
    {
      "lang": "es",
      "value": "MediaWiki en versiones anteriores a la 1.27.4; las versiones 1.28.x anteriores a la 1.28.3 y las versiones 1.29.x anteriores a la 1.29.2 permite que atacantes remotos inyecten caracteres > (mayor que) mediante el atributo id de un encabezado."
    }
  ],
  "lastModified": "2026-06-17T01:27:00.380",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2825F885-DD77-4822-B659-D5AFB56C6B17",
              "versionEndIncluding": "1.27.3"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.28.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "70CAB8A9-39D5-41F4-800C-79E4FE57B12D"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.28.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A060BA59-05C8-4646-97D7-4F382B4EBCC6"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.28.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E67B837B-D085-4EE4-9556-D25BFA9BC108"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.29.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CFA5659C-9DEA-494E-BB32-E6573E180C26"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.29.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9A457BE6-9F2F-45C9-A650-46F7E4B77E20"
            }
          ],
          "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"
}