org/apache/catalina/realm/RealmBase.java in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.30, when FORM authentication is used, allows remote attackers to bypass security-constraint checks by leveraging a previous setUserPrincipal call and then placing /j_security_check at the end of a URI.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19305
https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03748878
http://www.ubuntu.com/usn/USN-1685-1
http://www.securitytracker.com/id?1027833
http://www.securityfocus.com/bid/56812
http://tomcat.apache.org/security-7.html
http://tomcat.apache.org/security-6.html
http://svn.apache.org/viewvc?view=revision&revision=1377892
http://secunia.com/advisories/57126
http://secunia.com/advisories/52054
http://secunia.com/advisories/51984
http://rhn.redhat.com/errata/RHSA-2013-0642.html
http://rhn.redhat.com/errata/RHSA-2013-0641.html
http://rhn.redhat.com/errata/RHSA-2013-0640.html
http://rhn.redhat.com/errata/RHSA-2013-0623.html
http://rhn.redhat.com/errata/RHSA-2013-0235.html
http://rhn.redhat.com/errata/RHSA-2013-0221.html
http://rhn.redhat.com/errata/RHSA-2013-0198.html
http://rhn.redhat.com/errata/RHSA-2013-0197.html
http://rhn.redhat.com/errata/RHSA-2013-0196.html
http://rhn.redhat.com/errata/RHSA-2013-0195.html
http://rhn.redhat.com/errata/RHSA-2013-0194.html
http://rhn.redhat.com/errata/RHSA-2013-0193.html
http://rhn.redhat.com/errata/RHSA-2013-0192.html
http://rhn.redhat.com/errata/RHSA-2013-0191.html
http://rhn.redhat.com/errata/RHSA-2013-0164.html
http://rhn.redhat.com/errata/RHSA-2013-0163.html
http://rhn.redhat.com/errata/RHSA-2013-0162.html
http://rhn.redhat.com/errata/RHSA-2013-0158.html
http://rhn.redhat.com/errata/RHSA-2013-0157.html
http://rhn.redhat.com/errata/RHSA-2013-0151.html
http://rhn.redhat.com/errata/RHSA-2013-0147.html
http://rhn.redhat.com/errata/RHSA-2013-0146.html
http://rhn.redhat.com/errata/RHSA-2013-0005.html
http://rhn.redhat.com/errata/RHSA-2013-0004.html
http://marc.info/?l=bugtraq&m=139344343412337&w=2
http://marc.info/?l=bugtraq&m=136612293908376&w=2
http://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html
http://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html
http://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html
http://archives.neohapsis.com/archives/bugtraq/2012-12/0044.html