An issue was discovered in certain Apple products. macOS High Sierra before Security Update 2017-001 is affected. The issue involves the "Directory Utility" component. It allows attackers to obtain administrator access without a password via certain interactions involving entry of the root user name.
Published: 2017-11-29
On November 28, 2017 a software developer (Lemi Orhan Ergin) reported a critical flaw in macOS High Sierra which allows any local user to log in as root without a password after multiple attempts.