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CWE-1280

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CWE-1280

Access Control Check Implemented After Asset is Accessed

Base
Incomplete

Description

A product's hardware-based access control check occurs after the asset has been accessed.

{"xhtml:p":["The product implements a hardware-based access control check. The asset should be accessible only after the check is successful. If, however, this operation is not atomic and the asset is accessed before the check is complete, the security of the system may be compromised."]}

Common Consequences

Scope

Access Control
Confidentiality
Integrity

Impact

Modify Memory, Read Memory, Modify Application Data, Read Application Data, Gain Privileges or Assume Identity, Bypass Protection Mechanism

Potential Mitigations

Implementation

Implement the access control check first. Access should only be given to asset if agent is authorized.

Applicable Platforms

Verilog
VHDL
Not Language-Specific

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