CVE-2010-4156

Estado: ModificadaMedia (5)—Exploit

Gravedad5Media · CVSS 2.0

Probabilidad de explotación13 %mayor que el 96 % de las CVE

Explotación activaNono figura en el catálogo de CISA

Exploit públicoDisponiblePublicado en Exploit-DB

La función mb_strcut en Libmbfl v1.1.0, como el usado en PHP v5.3.x hasta v5.3.3, permite a atacantes dependientes del contexto obtener información potencialmente sensible a través de un valor largo del tercer parámetro (también conocido como parametro length.

CVSS

Puntuación base: 5
Versión: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 13 %
Percentil entre todas las CVEs puntuadas: 96
Fecha de la puntuación: 20/10/2026

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 5.3.x - 'mb_strcut()' Information Disclosure (7/11/2010)

Tecnologías afectadas (1)

Scottmac — Libmbfl

CWE

CWE-20

Referencias

Mostrar las 36 referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2010-4156",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2010-11-10T03:00:02.867",
  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052836.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052845.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=130331363227777&w=2",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://pastie.org/1279428",
      "tags": [
        "Patch"
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      "source": "secalert@redhat.com"
    },
    {
      "url": "http://pastie.org/1279682",
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      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/42135",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/42812",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/43189",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:225",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2010/11/07/2",
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    },
    {
      "url": "http://www.php.net/ChangeLog-5.php",
      "source": "secalert@redhat.com"
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    {
      "url": "http://www.redhat.com/support/errata/RHSA-2011-0196.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/44727",
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      "source": "secalert@redhat.com"
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    {
      "url": "http://www.ubuntu.com/usn/USN-1042-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0020",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0021",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0077",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052836.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052845.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=130331363227777&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://pastie.org/1279428",
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        "Patch"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "tags": [
        "Patch"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/42135",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/42812",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/43189",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:225",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2010/11/07/2",
      "tags": [
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        "Patch"
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    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2010/11/08/13",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php.net/ChangeLog-5.php",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.redhat.com/support/errata/RHSA-2011-0196.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0020",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0021",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0077",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The mb_strcut function in Libmbfl 1.1.0, as used in PHP 5.3.x through 5.3.3, allows context-dependent attackers to obtain potentially sensitive information via a large value of the third parameter (aka the length parameter)."
    },
    {
      "lang": "es",
      "value": "La función mb_strcut en Libmbfl v1.1.0, como el usado en PHP v5.3.x hasta v5.3.3, permite a atacantes dependientes del contexto obtener información potencialmente sensible a través de un valor largo del tercer parámetro (también conocido como parametro length."
    }
  ],
  "lastModified": "2026-06-16T23:24:13.427",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9EF4B938-BB14-4C06-BEE9-10CA755C5DEF"
            },
            {
              "criteria": "cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "981C922C-7A7D-473E-8C43-03AB62FB5B8B"
            },
            {
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            {
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          "operator": "OR"
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          "operator": "OR"
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      "operator": "AND"
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  ],
  "sourceIdentifier": "secalert@redhat.com"
}