CVE-2022-29241

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While this requires an authenticated user session, this URL can be used from a cross-site scripting payload or from a hooked or otherwise compromised browser to leak this access token to a malicious third party. This token can be used along with the REST API to interact with Jupyter services/notebooks such as modifying or overwriting critical files, such as .bashrc or .ssh/authorized_keys, allowing a malicious user to read potentially sensitive data and possibly gain control of the impacted system. This issue is patched in version 1.17.1."}, {"lang": "es", "value": "Jupyter Server proporciona el backend (es decir, los servicios centrales, las API y los endpoints REST) para las aplicaciones web de Jupyter como Jupyter Notebook. En versiones anteriores a 1.17.1, si el servidor de Notebook es iniciado con un valor de \"root_dir\" que conten\u00eda el directorio de inicio del usuario, entonces la API REST subyacente pod\u00eda usarse para filtrar el token de acceso asignado en el momento del inicio adivinando/forzando el PID del servidor Jupyter. Mientras que esto requiere una sesi\u00f3n de usuario autenticada, esta URL puede ser usada desde una carga \u00fatil de tipo cross-site scripting o desde un navegador enganchado o comprometido de alguna manera para filtrar este token de acceso a un tercero malicioso. Este token puede ser usado junto con la API REST para interactuar con los servicios/notebooks de Jupyter, como modificar o sobrescribir archivos cr\u00edticos, como .bashrc o .ssh/authorized_keys, permitiendo a un usuario malicioso leer datos potencialmente confidenciales y posiblemente obtener el control del sistema impactado. 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