The default configuration of McAfee VirusScan 4.5 does not quote the ImagePath variable, which improperly sets the search path and allows local users to place a Trojan horse "common.exe" program in the C:\Program Files directory.Referenceshttp://www.securityfocus.com/bid/1920http://archives.neohapsis.com/archives/ntbugtraq/2000-q4/0073.html