Description
keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infinite loop. A malicious authenticated user could use this flaw to achieve Denial of Service on the server.
References (3)
Core 3
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:2428
Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10912
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:0877
Scores
CVSS v3
4.9
EPSS
0.0047
EPSS Percentile
64.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-835
Status
published
Products (3)
org.keycloak/keycloak-core
0 - 4.0.0Maven
redhat/keycloak
< 4.0.0
redhat/single_sign-on
7.2
Published
Jul 23, 2018
Tracked Since
Feb 18, 2026