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.
https://www.suse.com/support/update/announcement/2014/suse-su-20140222-1.html
https://git.fedorahosted.org/cgit/spacewalk.git/commit/?id=18c70164285cae0660fa3ac55c6656bb19b3b13f
https://bugzilla.redhat.com/show_bug.cgi?id=923464