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Vulnerability Score 4.6 4.6
CVE Id CVE-1999-1077
Last Modified 05 Sep 2008 04:18:40
Published 01 Nov 1999 12:00:00
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact PARTIAL PARTIAL
Availability Impact PARTIAL PARTIAL
Access Vector LOCAL
Access Complexity LOW
Authentication NONE



Idle locking function in MacOS 9 allows local attackers to bypass the password protection of idled sessions via the programmer's switch or CMD-PWR keyboard sequence, which brings up a debugger that the attacker can use to disable the lock.

Vulnerable Systems

Operating System

  • Apple Mac Os 9


BID - 756

BUGTRAQ - 19991101 Re: Mac OS 9 Idle Lock Bug

Last Updated: 27 May 2016 10:35:16