The remote host is missing an update to rubygem-actionpack announced via advisory FEDORA-2009-12966.
Apply the appropriate updates. This update can be installed with the yum update program. Use su -c 'yum update rubygem-actionpack' at the command line. For more information, refer to Managing Software with yum, available at http://docs.fedoraproject.org/yum/. https://secure1.securityspace.com/smysecure/catid.html?in=FEDORA-2009-12966
Update Information: Two security issues are found on activepack shipped on Fedora 10. One bug is that there is a weakness in the strip_tags function in ruby on rails (bug 542786, CVE-2009-4214). Another one is a possibility to circumvent protection against cross-site request forgery (CSRF) attacks (bug 544329). ChangeLog: * Mon Dec 7 2009 Mamoru Tasaka - 2.1.1-5 - Fix for potential CSRF protection circumvention (bug 544329) - Fix for XSS weakness in strip_tags (bug 542786)