Related Vulnerabilities: CVE-2021-39899  

In all versions of GitLab CE/EE, an attacker with physical access to a user’s machine may brute force the user’s password via the change password function. There is a rate limit in place, but the attack may still be conducted by stealing the session id from the physical compromise of the account and splitting the attack over several IP addresses and passing in the compromised session value from these various locations.

Severity Low

Remote No

Type Insufficient validation

Description

In all versions of GitLab CE/EE, an attacker with physical access to a user’s machine may brute force the user’s password via the change password function. There is a rate limit in place, but the attack may still be conducted by stealing the session id from the physical compromise of the account and splitting the attack over several IP addresses and passing in the compromised session value from these various locations.

AVG-2431 gitlab 14.3.0-1 14.3.1-1 High Fixed

https://about.gitlab.com/releases/2021/09/30/security-release-gitlab-14-3-1-released/#lack-of-account-lockout-on-change-password-functionality
https://gitlab.com/gitlab-org/gitlab/-/issues/339154