CVE-2018-10912

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.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.9 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
redhatCNA
4.4 MEDIUM
NETWORK
HIGH
HIGH
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 64%
VendorProductVersion
redhatkeycloak
𝑥
< 4.0.0
redhatsingle_sign-on
7.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://access.redhat.com/errata/RHSA-2018:2428
https://access.redhat.com/errata/RHSA-2019:0877
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10912
https://access.redhat.com/errata/RHSA-2018:2428
https://access.redhat.com/errata/RHSA-2019:0877
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10912