Vulnerability in Red Hat Keycloak
CVE-2017-2646
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.
EPSS: 0.019 (77.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Red Hat Keycloak — versions 2.5.5
- Redhat Keycloak
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-2646?
- CVE-2017-2646 is a high-severity vulnerability in Red Hat Keycloak, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2018-07-27.
- How severe is CVE-2017-2646?
- High severity. CVSS v3 base score is 7.5 out of 10.