Code reviews of the better-macro crate // Lib.rs

RUSTSEC-2021-0077 on 2021-07-22: better-macro has deliberate RCE to prove a point

better-macro is a fake crate which is "Proving A Point" that proc-macros can run arbitrary code. This is not a particularly novel or interesting observation.

It currently opens https://github.com/raycar5/better-macro/blob/master/doc/hi.md which doesn't appear to have any malicious content, but there's no guarantee that will remain the case.

This crate has no useful functionality, and should not be used.

CVE-2021-38196

GHSA-79wf-qcqv-r22r

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To review the actual code of the crate, it's best to use cargo crev open better-macro. Alternatively, you can download the tarball of better-macro v1.0.4 or view the source online.