CVE-2022-23651

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El formato SqliteAccountInfo guarda las claves de la API (y el mapeo de nombres de cubos a identificadores) en un archivo de base de datos local ($XDG_CONFIG_HOME/b2/account_info, ~/.b2_account_info o una ruta definida por el usuario). Cuando es creado por primera vez, el archivo es legible para todo el mundo y es (normalmente unos pocos milisegundos) alterado m\u00e1s tarde para ser privado para el usuario. Si el directorio que contiene el archivo es legible por un atacante local, entonces durante el breve per\u00edodo entre la creaci\u00f3n del archivo y la modificaci\u00f3n de los permisos, un atacante local puede correr para abrir el archivo y mantener un manejo a \u00e9l. Esto permite al atacante local leer el contenido del archivo despu\u00e9s de que la informaci\u00f3n confidencial haya sido guardado en \u00e9l. Los consumidores de este SDK que conf\u00eden en \u00e9l para guardar datos usando la clase SqliteAccountInfo deber\u00edan actualizar a la \u00faltima versi\u00f3n del SDK. Aquellos que crean que un usuario local puede haber abierto una cuenta usando esta condici\u00f3n de carrera, deber\u00edan eliminar los archivos de base de datos afectados y regenerar todas las claves de la aplicaci\u00f3n. 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