Permissions, Privileges, and Access Controls in Keycloak - CVE-2024-1249
Published: April 17, 2024
Vulnerability identifier: #VU88799
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-1249
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Keycloak
Affected software:
Keycloak
Keycloak
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to "checkLoginIframe" allows unvalidated cross-origin messages. A remote attacker can send millions of requests in seconds using simple code, significantly impacting the application's availability without proper origin validation for incoming messages.
How to mitigate CVE-2024-1249
Install updates from vendor's website.