Bluetooth-enabled systems in Mac OS X 10.3.9 enables the Bluetooth file exchange service by default, which allows remote attackers to access files without the user being notified, and local users to access files via the default directory.
http://www.us-cert.gov/cas/techalerts/TA05-136A.html
http://www.kb.cert.org/vuls/id/258390
http://www.digitalmunition.com/DMA%5B2005-0502a%5D.txt
http://lists.apple.com/archives/security-announce/2005/May/msg00001.html