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CVE-2007-0911

Estado: ModificadaAlta (7.8)—Exploit
Gravedad7.8Alta · CVSS 2.0
Probabilidad de explotación5.48 %mayor que el 93 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoDisponiblePublicado en Exploit-DB

Error de fuera de rango por uno (Off-by-one) en la función str_ireplace en PHP 5.2.1 podría permitir a atacantes dependientes del contexto provocar una denegación de servicio (caída).

CVSS

Puntuación base
7.8
Versión
2.0
Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
5.48 %
Percentil entre todas las CVEs puntuadas
93
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.

Tecnologías afectadas (1)

PHP — PHP

CWE

Referencias

Mostrar las 20 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2007-0911",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "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": "2007-02-13T23:28:00.000",
  "references": [
    {
      "url": "http://cvs.php.net/viewvc.cgi/php-src/ext/standard/string.c?r1=1.445.2.14.2.36&r2=1.445.2.14.2.37",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.suse.com/archive/suse-security-announce/2007-Mar/0003.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=php-dev&m=117104930526516&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=php-dev&m=117106751715609&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/33952",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/24514",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/24606",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200703-21.xml",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/459856/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/22505",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://cvs.php.net/viewvc.cgi/php-src/ext/standard/string.c?r1=1.445.2.14.2.36&r2=1.445.2.14.2.37",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.suse.com/archive/suse-security-announce/2007-Mar/0003.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://marc.info/?l=php-dev&m=117104930526516&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://marc.info/?l=php-dev&m=117106751715609&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://osvdb.org/33952",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/24514",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/24606",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200703-21.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/459856/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/22505",
      "tags": [
        "Exploit"
      ],
      "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": "Off-by-one error in the str_ireplace function in PHP 5.2.1 might allow context-dependent attackers to cause a denial of service (crash)."
    },
    {
      "lang": "es",
      "value": "Error de fuera de rango por uno (Off-by-one) en la función str_ireplace en PHP 5.2.1 podría permitir a atacantes dependientes del contexto provocar una denegación de servicio (caída)."
    }
  ],
  "lastModified": "2026-06-16T22:36:32.987",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "88358D1E-BE6F-4CE3-A522-83D1FA4739E3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Not vulnerable.  This flaw is a regression of the fix for CVE-2007-0906 affecting PHP version 5.2.1 only which results in any use of str_replace() causing a crash regardless of user input.  These issues did not affect the versions of PHP as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.",
      "lastModified": "2007-02-16T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}