Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2018-10912
- cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-10912
0.47%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-10912
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
|
4.4
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.7
|
3.6
|
Red Hat, Inc. | |
|
4.9
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
1.2
|
3.6
|
NIST |
CWE ids for CVE-2018-10912
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2018-10912
-
https://access.redhat.com/errata/RHSA-2018:2428
RHSA-2018:2428 - Security Advisory - Red Hat Customer PortalVendor Advisory
-
https://access.redhat.com/errata/RHSA-2019:0877
RHSA-2019:0877 - Security Advisory - Red Hat Customer PortalVendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10912
1607624 – (CVE-2018-10912) CVE-2018-10912 keycloak: infinite loop in session replacement leading to denial of serviceIssue Tracking;Vendor Advisory
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