The flaw manifests itself in the way the security application handles some entries in the Windows Registry, Microsoft said in a security advisory published Wednesday..
Miscreants who have penetrated a computer could create and hide a firewall exception by inserting a malformed Windows Firewall exception entry in the Windows Registry.
http://news.com.com/Windows%20Firewa...5850&subj=newsPublished: September 1, 2005, 4:45 PM PDT
By Joris Evers
Staff Writer, CNET News.com