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authorEduardo Chappa <chappa@washington.edu>2020-06-18 03:25:29 -0600
committerEduardo Chappa <chappa@washington.edu>2020-06-18 03:25:29 -0600
commit000edd9036b6aea5e6a06900ecd6c58faec665ab (patch)
treecb0e40cf17e1c6e3b1f69cb02fe1ef364e605d1a /pico/headers.h
parent5cba97d032b16b89a6f73d5841e55bf13672f921 (diff)
downloadalpine-000edd9036b6aea5e6a06900ecd6c58faec665ab.tar.xz
* Security Bug: Alpine can be configured to start a secure connection using /tls
on an insecure connection. However, if the connection is PREAUTH, Alpine will not upgrade the connection to a secure connection, because a client must not issue a STARTTLS to a server that supports it in authenticated state. This makes Alpine continue to use an insecure connection with the server, exposing user data. Reported by Damian Poddebniak and Fabian Ising, from Münster University of Applied Sciences.
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