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CVE-2010-2191

Estado: ModificadaMedia (6.4)—
Gravedad6.4Media · CVSS 2.0
Probabilidad de explotación2.41 %mayor que el 84 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

Las funciones (1) parse_str, (2) preg_match (3), unpack, y (4) pack; los opcodes (5) ZEND_FETCH_RW, (6) ZEND_CONCAT, y (7) ZEND_ASSIGN_CONCAT, y el metodo (8) ArrayObject::uasort de PHP v5.2 a v5.2.13 y v5.3 a v5.3.2 permiten obtener a atacantes información sensible variable en función del contexto (el contenido de la memoria) u ocasionar una corrupción de memoria al causar una interrupción del espacio de usuario de un controlador o una función interna. NOTA: los vectores del 2 al 4 están relacionados con el paso del tiempo de llamada por referencia.

CVSS

Puntuación base
6.4
Versión
2.0
Vector
AV:N/AC:L/Au:N/C:P/I:P/A:N

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
2.41 %
Percentil entre todas las CVEs puntuadas
84
Fecha de la puntuación
23/10/2026

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).

Tecnologías afectadas (1)

PHP — PHP

CWE

Referencias

Mostrar las 22 referencias

JSON original (NVD)

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{
  "id": "CVE-2010-2191",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "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": "2010-06-08T00:30:01.850",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=133469208622507&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-049-php-parse_str-interruption-memory-corruption-vulnerability/index.html",
      "tags": [
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      ],
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    },
    {
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    },
    {
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      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-052-php-pack-interruption-information-leak-vulnerability/index.html",
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      "source": "cve@mitre.org"
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    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-053-php-zend_fetch_rw-opcode-interruption-information-leak-vulnerability/index.html",
      "tags": [
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    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-054-php-zend_concatzend_assign_concat-opcode-interruption-information-leak-and-memory-corruption-vulnerability/index.html",
      "tags": [
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    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-055-php-arrayobjectuasort-interruption-memory-corruption-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/59221",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://marc.info/?l=bugtraq&m=133469208622507&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-049-php-parse_str-interruption-memory-corruption-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-050-php-preg_match-interruption-information-leak-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-051-php-unpack-interruption-information-leak-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-052-php-pack-interruption-information-leak-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-053-php-zend_fetch_rw-opcode-interruption-information-leak-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-054-php-zend_concatzend_assign_concat-opcode-interruption-information-leak-and-memory-corruption-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php-security.org/2010/05/31/mops-2010-055-php-arrayobjectuasort-interruption-memory-corruption-vulnerability/index.html",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/59221",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The (1) parse_str, (2) preg_match, (3) unpack, and (4) pack functions; the (5) ZEND_FETCH_RW, (6) ZEND_CONCAT, and (7) ZEND_ASSIGN_CONCAT opcodes; and the (8) ArrayObject::uasort method in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) or trigger memory corruption by causing a userspace interruption of an internal function or handler.  NOTE: vectors 2 through 4 are related to the call time pass by reference feature."
    },
    {
      "lang": "es",
      "value": "Las funciones (1) parse_str, (2) preg_match (3), unpack, y (4) pack; los opcodes (5) ZEND_FETCH_RW, (6) ZEND_CONCAT, y (7) ZEND_ASSIGN_CONCAT, y el metodo (8) ArrayObject::uasort de PHP v5.2 a v5.2.13 y v5.3 a v5.3.2 permiten obtener a atacantes información sensible variable en función del contexto (el contenido de la memoria) u ocasionar una corrupción de memoria al causar una interrupción del espacio de usuario de un controlador o una función interna. NOTA: los vectores del 2 al 4 están relacionados con el paso del tiempo de llamada por referencia."
    }
  ],
  "lastModified": "2026-06-16T23:20:16.077",
  "configurations": [
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              "vulnerable": true,
              "matchCriteriaId": "88358D1E-BE6F-4CE3-A522-83D1FA4739E3"
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}