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login_shells_writeable

This built-in function makes sure that no shell is world/group writeable.

If a shell is world writeable (or group writeable) then non-privileged users can replace it with any program. This enables a malicious user to force other users of that shell to execute arbitrary commands when they log in.

Ensure the permissions of each shell are set appropriately.

Usage

<item>

name: "login_shells_writeable"

description: "This check reports user accounts with login shells that have group or world write permissions."

</item>

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