Description
It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.
Remediation
References
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646
http://www.securityfocus.com/bid/96882
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