Directory traversal vulnerability in the OBEX FTP Service in the Microsoft Bluetooth stack in Windows Mobile 6 Professional, and probably Windows Mobile 5.0 for Pocket PC and 5.0 for Pocket PC Phone Edition, allows remote authenticated users to list arbitrary directories, and create or read arbitrary files, via a .. (dot dot) in a pathname. NOTE: this can be leveraged for code execution by writing to a Startup folder.
https://exchange.xforce.ibmcloud.com/vulnerabilities/48124
https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-0252
http://www.securityfocus.com/bid/33359
http://www.securityfocus.com/archive/1/500199/100/0/threaded