CRLF injection vulnerability in spacewalk-java before 2.1.148-1 and Red Hat Network (RHN) Satellite 5.6 allows remote attackers to inject arbitrary HTTP headers, and conduct HTTP response splitting attacks and cross-site scripting (XSS) attacks, via the return_url parameter.
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.