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CVE-2007-2903

Estado: ModificadaMedia (5)—💥 Exploit

Desbordamiento de búfer en el método HelpPopup en el control ActiveX Microsoft Office 2000 Controllo UA di Microsoft (OUACTRL.OCX) 1.0.1.9, permite a atacantes remotos provocar una denegación de servicio (probablemente caída de winhlp32.exe) mediante un primer argumento largo. NOTA: No está claro si esta vulnerabilidad cruza límites de privilegios.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (1)

Microsoft — Office

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2007-2903",
  "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": "2007-05-30T10:30:00.000",
  "references": [
    {
      "url": "http://moaxb.blogspot.com/2007/05/moaxb-23-microsoft-office-2000.html",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/36034",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://shinnai.altervista.org/viewtopic.php?id=42&t_id=26",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/24118",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1018107",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.shinnai.altervista.org/moaxb/20070523/ouactrltxt.html",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/34473",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://moaxb.blogspot.com/2007/05/moaxb-23-microsoft-office-2000.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://osvdb.org/36034",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://shinnai.altervista.org/viewtopic.php?id=42&t_id=26",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/24118",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1018107",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.shinnai.altervista.org/moaxb/20070523/ouactrltxt.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/34473",
      "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": "Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office ActiveX control (OUACTRL.OCX) 1.0.1.9 allows remote attackers to cause a denial of service (probably winhlp32.exe crash) via a long first argument.  NOTE: it is not clear whether this issue crosses privilege boundaries."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en el método HelpPopup en el control ActiveX Microsoft Office 2000 Controllo UA di Microsoft (OUACTRL.OCX) 1.0.1.9, permite a atacantes remotos provocar una denegación de servicio (probablemente caída de winhlp32.exe) mediante un primer argumento largo.\r\nNOTA: No está claro si esta vulnerabilidad cruza límites de privilegios."
    }
  ],
  "lastModified": "2026-06-16T22:40:40.403",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:office:2000:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A9A82D13-513C-46FA-AF51-0582233E230A"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}