Current 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.
Source:
MITRE
Description Last Modified:
07/23/2018
View Analysis Description
Analysis 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.
Source:
MITRE
Description Last Modified:
07/23/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
4.9 MEDIUM
Vector:
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
1.2
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.0 MEDIUM
Vector:
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.0
Access Vector (AV):
Network
Access Complexity (AC):
Low
Authentication (AU):
Single
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows disruption of service
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Change History
2 change records found
- show changes
Initial Analysis -
9/20/2018 9:40:15 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:keycloak:keycloak:*:*:*:*:*:*:*:* versions up to (excluding) 4.0.0 |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:S/C:N/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-20 |
| Changed |
Reference Type |
https://access.redhat.com/errata/RHSA-2018:2428 No Types Assigned |
https://access.redhat.com/errata/RHSA-2018:2428 Third Party Advisory |
| Changed |
Reference Type |
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10912 No Types Assigned |
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10912 Issue Tracking, Third Party Advisory |
CVE Modified by MITRE -
8/16/2018 6:29:01 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2018:2428 [No Types Assigned] |