CVE-2007-1711

Estado: ModificadaMedia (6.8)—Exploit

Gravedad6.8Media · CVSS 2.0

Probabilidad de explotación7.73 %mayor que el 95 % de las CVE

Explotación activaNono figura en el catálogo de CISA

Exploit públicoDisponiblePublicado en Exploit-DB

Una vulnerabilidad de doble liberación (Double Free) en la deserialización en PHP versiones 4.4.5 y 4.4.6 permite a los atacantes dependiendo del contexto ejecutar código arbitrario mediante la sobreescritura de variables que apuntan a (1) la matriz GLOBALS o (2) al dato sesión en _SESSION. NOTA: este problema se introdujo cuando se intentó el parche del CVE-2007-1701 (MOPB-31-2007).

CVSS

Puntuación base: 6.8
Versión: 2.0
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 7.73 %
Percentil entre todas las CVEs puntuadas: 95
Fecha de la puntuación: 24/10/2026

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.

Publicado en Exploit-DB · PHP 4.4.5/4.4.6 - 'session_decode()' Double-Free (PoC) (27/3/2007)

Tecnologías afectadas (1)

PHP — PHP

CWE

NVD-CWE-Other

Referencias

Mostrar las 52 referencias

JSON original (NVD)

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{
  "id": "CVE-2007-1711",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-03-27T01:19:00.000",
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    {
      "url": "http://www.vupen.com/english/advisories/2007/2732",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Double free vulnerability in the unserializer in PHP 4.4.5 and 4.4.6 allows context-dependent attackers to execute arbitrary code by overwriting variables pointing to (1) the GLOBALS array or (2) the session data in _SESSION.  NOTE: this issue was introduced when attempting to patch CVE-2007-1701 (MOPB-31-2007)."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de doble liberación (Double Free) en la deserialización en PHP versiones 4.4.5 y 4.4.6 permite a los atacantes dependiendo del contexto ejecutar código arbitrario mediante la sobreescritura de variables que apuntan a (1) la matriz GLOBALS o (2) al dato sesión en _SESSION. NOTA: este problema se introdujo cuando se intentó el parche del CVE-2007-1701 (MOPB-31-2007)."
    }
  ],
  "lastModified": "2026-06-16T22:38:09.333",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
            {
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            }
          ],
          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}