Hi malware fighters,
An old browser hole opening your boot.ini up and gives access to local files on your hard drive, has re-appeared or actually has never been away. The 7 year old flaw is a vulnerability for Mozilla type browsers and for IE7:
http://www.gnucitizen.org/blog/browser-focus-rip
Test your IE browser for this here: http://lcamtuf.coredump.cx/focusbug/ieversion.html ;
your FF here: http://lcamtuf.coredump.cx/focusbug/ffversion.html
The problem appears because an attacker can steal the focus of certain key-strokes and use those to upload certain files. Read here about the hole:
http://seclists.org/fulldisclosure/2007/Feb/0226.html