Apple rushes to fix major security bug

[sic]He found that by entering the username "root", leaving the password field blank, and hitting "enter" a few times, he would be granted unrestricted access to the target machine.

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a member of Apple's support forums had posted details of the flaw more than two weeks ago, though the tone of his message appeared to suggest he saw the vulnerability as a useful feature for troubleshooting rather than a critical security threat.[/sic]