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When successfully executed the attack can cause a local privilege escalation given unprivileged users administrative rights on the target machine."},{"lang":"es","value":"Se encontró una vulnerabilidad de escalada de privilegios local en la utilidad pkexec de polkit. La aplicación pkexec es una herramienta setuid diseñada para permitir a usuarios sin privilegios ejecutar comandos como usuarios privilegiados de acuerdo con políticas predefinidas. La versión actual de pkexec no maneja correctamente el recuento de parámetros de llamada y termina intentando ejecutar variables de entorno como comandos. Un atacante puede aprovechar esto creando variables de entorno de tal manera que induzcan a pkexec a ejecutar código arbitrario. Cuando se ejecuta con éxito, el ataque puede provocar una escalada de privilegios locales otorgando a los usuarios sin privilegios derechos administrativos en la máquina de 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