Ideal Science Ideal BB 1.5.4a and earlier does not properly check file extensions before permitting an upload, which allows remote attackers to upload and execute an ASP script via a 0x00 character before the ".asp" portion of the filename.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26353
http://www.vupen.com/english/advisories/2006/1729
http://www.securityfocus.com/bid/17920
http://www.securityfocus.com/archive/1/433248/100/0/threaded
http://www.idealscience.com/ibb/posts.aspx?postID=24415
http://securityreason.com/securityalert/871
http://secunia.com/advisories/20035
http://lists.grok.org.uk/pipermail/full-disclosure/2006-May/045887.html