SB2024062408 - Denial of service in Keycloak



SB2024062408 - Denial of service in Keycloak

Published: June 24, 2024

Security Bulletin ID SB2024062408
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2024-1722)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to block other accounts from logging in.

The vulnerability exists due to insufficient validation of user-supplied input when User (Self) registration is enabled. A user that is registered with a username in email format can be "locked out".


Remediation

Install update from vendor's website.