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.

CVSS v3 4.9 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://access.redhat.com/errata/RHSA-2018:2428	Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0877	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10912	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-07-23 22:29

Updated : 2024-02-04 20:03

NVD link : CVE-2018-10912

Mitre link : CVE-2018-10912

CVE.ORG link : CVE-2018-10912

JSON object : View

Products Affected

redhat

single_sign-on
keycloak

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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