{
  "id": "CVE-2021-20197",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2021-03-26T17:15:12.920",
  "lastModified": "2023-02-12T22:15:16.877",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "There is an open race window when writing output in the following utilities in GNU binutils version 2.35 and earlier:ar, objcopy, strip, ranlib. When these utilities are run as a privileged user (presumably as part of a script updating binaries across different users), an unprivileged user can trick these utilities into getting ownership of arbitrary files through a symlink."
    },
    {
      "lang": "es",
      "value": "Se presenta una ventana de carrera abierta cuando se escribe la salida en las siguientes utilidades en GNU binutils versiones 2.35 y anteriores: ar, objcopy, strip, ranlib. Cuando estas utilidades son ejecutadas como un usuario privilegiado (presumiblemente como parte de un script que actualiza binarios entre diferentes usuarios), un usuario sin privilegios puede enga\u00f1ar a estas utilidades para que obtengan la propiedad de archivos arbitrario por medio de un enlace simb\u00f3lico."
    }
  ],
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          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM"
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        "exploitabilityScore": 1.0,
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        "obtainAllPrivilege": false,
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1913743",
      "source": "secalert@redhat.com",
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