Whoever stated that BlackIce is secure was wrong. Check this out.

bugtraq id 4025
object
class Failure to Handle Exceptional Conditions
cve CVE-MAP-NOMATCH

remote Yes
local No
published Feb 04, 2002
updated Feb 06, 2002
vulnerable Internet Security Systems BlackIce Agent 3.0
Here is the link. . .

http://www.securityfocus.com/bid/4025

Enjoy.