CWE-276

Incorrect Default Permissions
AI Translation Available

During installation, installed file permissions are set to allow anyone to modify those files.

Status
draft
Abstraction
base
Likelihood
medium
Not Technology-Specific ICS/OT

Common Consequences

confidentiality integrity
Impacts
read application data modify application data

Detection Methods

automated static analysis - binary or bytecode manual static analysis - binary or bytecode dynamic analysis with automated results interpretation dynamic analysis with manual results interpretation manual static analysis - source code automated static analysis - source code automated static analysis architecture or design review

Potential Mitigations

Phases:
architecture and design operation
Descriptions:
• The architecture needs to access and modification attributes for files to only those users who actually require those actions.
• Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.