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CVE-2018-16837

Estado: ModificadaAlta (7.8)—

Ansible "User" module leaks any data which is passed on as a parameter to ssh-keygen. This could lean in undesirable situations such as passphrases credentials passed as a parameter for the ssh-keygen executable. Showing those credentials in clear text form for every user which have access just to the process list.

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 (4)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-16837",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
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          "vectorString": "AV:L/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": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
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      "affectedData": [
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          "vendor": "[UNKNOWN]",
          "product": "Ansible",
          "versions": [
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              "version": "n/a"
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  "published": "2018-10-23T15:29:00.607",
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-214"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-311"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Ansible \"User\" module leaks any data which is passed on as a parameter to ssh-keygen. This could lean in undesirable situations such as passphrases credentials passed as a parameter for the ssh-keygen executable. Showing those credentials in clear text form for every user which have access just to the process list."
    },
    {
      "lang": "es",
      "value": "El módulo \"User\" de Ansible filtra cualquier dato que se pasa como parámetro a ssh-keygen. Esto podría desembocar en situaciones no deseadas como el paso de credenciales de frase de contraseña como parámetro para el ejecutable ssh-keygen. Las credenciales se muestran en texto claro a cada usuario con acceso solo a la lista de procesos."
    }
  ],
  "lastModified": "2026-06-17T01:44:52.460",
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