SubSonic allows remote attackers to bypass pagesize limits and cause a denial of service (CPU consumption) via a pageindex (aka data page number) of -1.
https://exchange.xforce.ibmcloud.com/vulnerabilities/42562
http://www.securityfocus.com/archive/1/492233/100/0/threaded
http://www.portcullis-security.com/uplds/wildcard_attacks.pdf
http://www.codeplex.com/subsonic/WorkItem/View.aspx?WorkItemId=16112