VULNERABILITY INTELLIGENCE
CVE-2017-2646
CVSS score7.5 HIGH
EPSS probability1.83%
CISA KEVNot currently listed
Published2018-07-27
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
Primary references
- secalert@redhat.com — Third Party Advisory, VDB Entry
- secalert@redhat.com — Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory