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Fixed in Apache Tomcat 6.0.9:
moderate: Session hi-jacking CVE-2008-0128
When using the SingleSignOn Valve via https the Cookie JSESSIONIDSSO is transmitted without the "secure" attribute, resulting in it being transmitted to any content that is - by purpose or error - requested via http from the same server.
Affected Apache Tomcat version (6.0.0 - 6.0.8).
Upgrade Apache Tomcat to the latest version.