Unspecified vulnerability in Citrix Presentation Server Client for Windows before 10.0 allows remote web sites to execute arbitrary code via unspecified vectors, related to the implementation of ICA connectivity through proxy servers.
https://exchange.xforce.ibmcloud.com/vulnerabilities/32754
http://www.vupen.com/english/advisories/2007/0784
http://www.securitytracker.com/id?1017712
http://www.securityfocus.com/bid/22762
http://www.kb.cert.org/vuls/id/798364
http://support.citrix.com/article/CTX112589