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CVE-2006-4759

Estado: ModificadaBaja (3.6)—

PunBB 1.2.12 does not properly handle an avatar directory pathname ending in %00, which allows remote authenticated administrative users to upload arbitrary files and execute code, as demonstrated by a query to admin_options.php with an avatars_dir parameter ending in %00. NOTE: this issue was originally disputed by the vendor, but the dispute was withdrawn on 20060926.

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)

Punbb — Punbb

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2006-4759",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:S/C:N/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "HIGH",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "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": "2006-09-13T23:07:00.000",
  "references": [
    {
      "url": "http://forums.punbb.org/viewtopic.php?id=13255",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.attrition.org/pipermail/vim/2006-September/001041.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.attrition.org/pipermail/vim/2006-September/001052.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.attrition.org/pipermail/vim/2006-September/001055.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.security.nnov.ru/Odocument221.html",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/445788/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/446420/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28884",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://forums.punbb.org/viewtopic.php?id=13255",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.attrition.org/pipermail/vim/2006-September/001041.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.attrition.org/pipermail/vim/2006-September/001052.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.attrition.org/pipermail/vim/2006-September/001055.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.security.nnov.ru/Odocument221.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/445788/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/446420/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28884",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "PunBB 1.2.12 does not properly handle an avatar directory pathname ending in %00, which allows remote authenticated administrative users to upload arbitrary files and execute code, as demonstrated by a query to admin_options.php with an avatars_dir parameter ending in %00. NOTE: this issue was originally disputed by the vendor, but the dispute was withdrawn on 20060926."
    },
    {
      "lang": "es",
      "value": "admin/admin_board.php en PunBB 1.2.12 no maneja adecuadamente los nombres de ruta de un avatar que finalizen en %00, lo cual permite a un usuario remoto administrador validado el envío de ficheros de su elección y ejecutar código, como lo demostrado lanzado una sentencia al admin_options.php con el parámetro avatars_dir acabado en %00. NOTA: Esta vulnerabilidad fue originalmente impugnada por el proveedor, pero la impugnación fue retraída el 20060926.\r\n"
    }
  ],
  "lastModified": "2026-06-16T22:29:44.607",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:punbb:punbb:1.2.12:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "01063CD1-BCE0-4C0A-AE34-AC4CCFD5802B"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "PunBB 1.2.13 has been released to fix this vulnerability. The updated version is available at http://punbb.org/downloads.php.",
      "lastModified": "2006-09-28T00:00:00",
      "organization": "PunBB"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "evaluatorSolution": "Successful exploitation requires that the attacker has Administrative rights."
}