CRLF injection vulnerability in +webvpn+/index.html in WebVPN on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to inject arbitrary HTTP headers as demonstrated by a redirect attack involving a %0d%0aLocation%3a sequence in a URI, or conduct HTTP response splitting attacks via unspecified vectors, aka Bug ID CSCsr09163.
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.