Description
Jenkins before 1.586 does not set the secure flag on session cookies when run on Tomcat 7.0.41 or later, which makes it easier for remote attackers to capture cookies by intercepting their transmission within an HTTP session.
Remediation
References
http://www.openwall.com/lists/oss-security/2015/01/22/3
http://www.securityfocus.com/bid/72054
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=769682
https://bugzilla.redhat.com/show_bug.cgi?id=1185148
https://github.com/jenkinsci/jenkins/commit/582128b9ac179a788d43c1478be8a5224dc19710
https://issues.jenkins-ci.org/browse/JENKINS-25019
https://jenkins.io/changelog-old/