Argument injection vulnerability in the Windows Object Packager (packager.exe) in Microsoft Windows XP SP1 and SP2 and Server 2003 SP1 and earlier allows remote user-assisted attackers to execute arbitrary commands via a crafted file with a \/\ (slash) character in the filename of the Command Line property followed by a valid file extension which causes the command before the slash to be executed aka \Object Packager Dialogue Spoofing Vulnerability.\