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Description
Faulty finite state machines (FSMs) in the hardware logic allow an attacker to put the system in an undefined state, to cause a denial of service (DoS) or gain privileges on the victim’s system.
Modes of Introduction:
– Architecture and Design
Related Weaknesses
Consequences
Availability, Access Control: Unexpected State, DoS: Crash, Exit, or Restart, DoS: Instability, Gain Privileges or Assume Identity
Potential Mitigations
Phase: Architecture and Design, Implementation
Effectiveness: High
Description:
Define all possible states and handle all unused states through default statements. Ensure that system defaults to a secure state.