SB2024091823 - Brute-force protection bypass in Keycloak
Published: September 18, 2024
Security Bulletin ID
SB2024091823
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Restriction of Excessive Authentication Attempts (CVE-ID: CVE-2024-4629)
CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a brute-force attack.
The vulnerability exists due to an error when handling unsuccessful login attempts. A remote attacker can initiate multiple login requests simultaneously and bypass the configured limits for failed attempts before the system locks them out.
Remediation
Install update from vendor's website.