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This allows a man-in-the-middle attack which could potentially be used to install altered packages and has been fixed in versions 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5."},{"lang":"es","value":"Python-apt solo comprueba las cantidades MD5 de los archivos descargados en las funciones \"Version.fetch_binary()\" y \"Version.fetch_source()\" del archivo apt/package.py en la versión 1.9.0ubuntu1 y anteriores. Esto permite un ataque de tipo man-in-the-middle que podría ser usado para instalar paquetes alterados y ha sido corregido en las versiones 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9. 3.5ubuntu3+esm2, y 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