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CVE-2017-7407

Estado: ModificadaBaja (2.4)—

The ourWriteOut function in tool_writeout.c in curl 7.53.1 might allow physically proximate attackers to obtain sensitive information from process memory in opportunistic circumstances by reading a workstation screen during use of a --write-out argument ending in a '%' character, which leads to a heap-based buffer over-read.

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 (1)

Haxx — Curl

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-7407",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2017-7407",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-16T13:44:34.708351Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": true,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "PHYSICAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 0.9
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    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
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          "integrityImpact": "NONE",
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          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
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          "confidentialityImpact": "LOW"
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  },
  "affected": [
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "version": "n/a"
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  ],
  "published": "2017-04-03T20:59:00.247",
  "references": [
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2018:3558",
      "source": "cve@mitre.org"
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    {
      "url": "https://github.com/curl/curl/commit/1890d59905414ab84a35892b2e45833654aa5c13",
      "tags": [
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    {
      "url": "https://security.gentoo.org/glsa/201709-14",
      "source": "cve@mitre.org"
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    {
      "url": "https://access.redhat.com/errata/RHSA-2018:3558",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://github.com/curl/curl/commit/1890d59905414ab84a35892b2e45833654aa5c13",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-119"
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  ],
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      "lang": "en",
      "value": "The ourWriteOut function in tool_writeout.c in curl 7.53.1 might allow physically proximate attackers to obtain sensitive information from process memory in opportunistic circumstances by reading a workstation screen during use of a --write-out argument ending in a '%' character, which leads to a heap-based buffer over-read."
    },
    {
      "lang": "es",
      "value": "La función ourWriteOut en tool_writeout.c en curl 7.53.1 podría permitir que los atacantes físicamente próximos obtengan información sensible de la memoria del proceso en circunstancias oportunistas leyendo una pantalla de la estación de trabajo durante el uso de un argumento --write-out que termina en un carácter '%', lo que conduce a desbordamiento de búfer basado en memoria dinámica."
    }
  ],
  "lastModified": "2026-06-17T01:24:17.330",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:haxx:curl:7.53.1:*:*:*:*:*:*:*",
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              "matchCriteriaId": "641ACFC8-BDE2-42AC-8B3D-EF78695AD750"
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}