Multiple buffer overflows in the RtConfigLoad function in rt-config.c for Atari800 before 1.3.4 allow local users to execute arbitrary code via large values in the configuration file.
http://www.debian.org/security/2004/dsa-609
http://secunia.com/advisories/13670/
http://marc.info/?l=bugtraq&m=110149441815270&w=2
http://marc.info/?l=bugtraq&m=110142899319841&w=2
http://cvs.sourceforge.net/viewcvs.py/atari800/atari800/DOC/ChangeLog?view=markup