Fetchmail version 1.02 suffers from a password disclosure vulnerability where the configuration file stores the password in clear text prior to setting the proper permissions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/41048/fetchmail-SA-2005-02.txt
Source: https://packetstormsecurity.com/files/41048/fetchmail-SA-2005-02.txt.html