CVE-2024-1249 Keycloak: org.keycloak.protocol.oidc: unvalidated cross-origin messages in checkloginiframe leads to ddos

2024-04-1713:22:48
CWE-346
redhat
www.cve.org
keycloak
oidc
cross-origin messages
ddos
availability
CVSS3
7.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
EPSS
Percentile
13.0%
JSON
A flaw was found in Keycloak’s OIDC component in the “checkLoginIframe,” which allows unvalidated cross-origin messages. This flaw allows attackers to coordinate and send millions of requests in seconds using simple code, significantly impacting the application’s availability without proper origin validation for incoming messages.
CNA Affected

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