CVE-2024-4629

A vulnerability was found in Keycloak. This flaw allows attackers to bypass brute force protection by exploiting the timing of login attempts. By initiating multiple login requests simultaneously, attackers can exceed the configured limits for failed attempts before the system locks them out. This timing loophole enables attackers to make more guesses at passwords than intended, potentially compromising account security on affected systems.

A vulnerability was found in Keycloak. This flaw allows attackers to bypass brute force protection by exploiting the timing of login attempts. By initiating multiple login requests simultaneously, attackers can exceed the configured limits for failed attempts before the system locks them out. This timing loophole enables attackers to make more guesses at passwords than intended, potentially compromising account security on affected systems.

If an attacker launches many login attempts in parallel then the attacker can have more guesses at a password than the brute force protection configuration permits. This is due to the brute force check occurring before the brute force protector has locked the user. **Acknowledgements:** Special thanks to Maurizio Agazzini for reporting this issue and helping us improve our project.

If an attacker launches many login attempts in parallel then the attacker can have more guesses at a password than the brute force protection configuration permits. This is due to the brute force check occurring before the brute force protector has locked the user. **Acknowledgements:** Special thanks to Maurizio Agazzini for reporting this issue and helping us improve our project.

Se encontró una vulnerabilidad en Keycloak. Esta falla permite a los atacantes eludir la protección por fuerza bruta al explotar el tiempo de los intentos de inicio de sesión. Al iniciar múltiples solicitudes de inicio de sesión simultáneamente, los atacantes pueden superar los límites configurados para intentos fallidos antes de que el sistema los bloquee. Esta falla de tiempo permite a los atacantes realizar más intentos de adivinar contraseñas de lo previsto, lo que podría comprometer la seguridad de las cuentas en los sistemas afectados.