Warn about full access on --allow-fs-read=* and --allow-fs-write=*

[tristan-f-r]

What is the problem this feature will solve?

While this is a CVE in Deno as Deno used to grant all these permissions on unfettered explicitly --allow-fs-read and --allow-fs-write, Node.JS does require a path to specify what files to read and write.

When access is granted to /proc/self/mem, a sophisticated attack can be carried out that gives the attacker full access bypassing the permission system.

What is the feature you are proposing to solve the problem?

If a user accidentally grants access to this file, a warning should appear in the console that warns against this file.

Additional notes

I am happy to work on this issue.

[tniessen]

There is a long list of paths that users should never grant access to, and I don't think we should attempt to capture that. I'd be okay with warning specifically about * though.

[github-actions]

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