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CVE-2018-15132

Estado: ModificadaAlta (7.5)—

An issue was discovered in ext/standard/link_win32.c in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8. The linkinfo function on Windows doesn't implement the open_basedir check. This could be abused to find files on paths outside of the allowed directories.

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).

Tecnologías afectadas (2)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-15132",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "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
      }
    ],
    "cvssMetricV30": [
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        "type": "Primary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
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  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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  "published": "2018-08-07T15:29:00.873",
  "references": [
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      "url": "http://php.net/ChangeLog-5.php",
      "tags": [
        "Vendor Advisory"
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      "source": "cve@mitre.org"
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      "url": "http://php.net/ChangeLog-7.php",
      "tags": [
        "Vendor Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.php.net/bug.php?id=76459",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/php/php-src/commit/f151e048ed27f6f4eef729f3310d053ab5da71d4",
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      "source": "cve@mitre.org"
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    {
      "url": "https://security.netapp.com/advisory/ntap-20181107-0003/",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.tenable.com/security/tns-2018-12",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://bugs.php.net/bug.php?id=76459",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://github.com/php/php-src/commit/f151e048ed27f6f4eef729f3310d053ab5da71d4",
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://www.tenable.com/security/tns-2018-12",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "An issue was discovered in ext/standard/link_win32.c in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8. The linkinfo function on Windows doesn't implement the open_basedir check. This could be abused to find files on paths outside of the allowed directories."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en ext/standard/link_win32.c en PHP en versiones anteriores a la 5.6.37, versiones 7.0.x anteriores a la 7.0.31, versiones 7.1.x anteriores a la 7.1.20 y versiones 7.2.x anteriores a la 7.2.8. La función linkinfo en Windows no implementa la comprobación open_basedir. Se podría abusar de esto para encontrar archivos en rutas fuera de los directorios permitidos."
    }
  ],
  "lastModified": "2026-06-17T01:42:06.253",
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