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CVE-2017-9525

Estado: ModificadaMedia (6.7)—

In the cron package through 3.0pl1-128 on Debian, and through 3.0pl1-128ubuntu2 on Ubuntu, the postinst maintainer script allows for group-crontab-to-root privilege escalation via symlink attacks against unsafe usage of the chown and chmod programs.

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)

Cron Project — CronDebian — Debian Linux

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2017-9525",
  "cveTags": [],
  "metrics": {
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          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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  "affected": [
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      "affectedData": [
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  "published": "2017-06-09T16:29:02.110",
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  "vulnStatus": "Modified",
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    {
      "lang": "en",
      "value": "In the cron package through 3.0pl1-128 on Debian, and through 3.0pl1-128ubuntu2 on Ubuntu, the postinst maintainer script allows for group-crontab-to-root privilege escalation via symlink attacks against unsafe usage of the chown and chmod programs."
    },
    {
      "lang": "es",
      "value": "En el paquete cron hasta la versión 3.0pl1-128 en Debian, y hasta la versión 3.0pl1-128ubuntu2 en Ubuntu, el script de mantenimiento postinst permite la escalada de privilegios de grupo-crontab a root por medio de ataques de enlace simbólico (symlink) contra el uso no seguro de los programas chown y chmod."
    }
  ],
  "lastModified": "2026-06-17T01:28:18.113",
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}