In short
- CVE-2017-2646 is a HIGH (CVSS 7.5) vulnerability affecting org.keycloak:keycloak-core, keycloak (redhat).
- Chance of exploitation in the next 30 days (EPSS): 1.8%, higher than 78.9% of all vulnerabilities.
- Fix: update to 2.5.5 or later.
Description
When Keycloak versions prior to 2.5.5 receive a Logout request with an Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in an infinite loop. An attacker could use this flaw to conduct denial of service attacks.
NVD 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.
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