Description
The org.apache.catalina.connector.Response.encodeURL method in Red Hat JBoss Web 7.1.x and earlier, when the tracking mode is set to COOKIE, sends the jsessionid in the URL of the first response of a session, which allows remote attackers to obtain the session id (1) via a man-in-the-middle attack or (2) by reading a log.
Remediation
References
http://ocpsoft.org/support/topic/session-id-is-appended-as-url-path-parameter-in-very-first-request/
http://rhn.redhat.com/errata/RHSA-2013-0833.html
http://rhn.redhat.com/errata/RHSA-2013-0834.html
http://rhn.redhat.com/errata/RHSA-2013-0839.html
http://rhn.redhat.com/errata/RHSA-2013-1437.html
https://issues.jboss.org/browse/JBWEB-249
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