Open redirect vulnerability in Microsoft Forefront Unified Access Gateway (UAG) 2010 SP1 and SP1 Update 1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted URL, aka "UAG Blind HTTP Redirect Vulnerability."
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.