Description
Shibboleth OpenSAML library 2.4.x before 2.4.3 and 2.5.x before 2.5.1, and IdP before 2.3.2, allows remote attackers to forge messages and bypass authentication via an "XML Signature wrapping attack."
Remediation
References
http://secunia.com/advisories/50994
http://shibboleth.internet2.edu/secadv/secadv_20110725.txt
http://www.debian.org/security/2011/dsa-2284
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
http://www.oracle.com/technetwork/topics/security/cpuoct2012-1515893.html