Malicious Rust Crate 'arrayref' Executes Arbitrary Payload at Build Time
Supply chain security analysts at SafeDep have uncovered a malicious package named `arrayref-proc-macro1` on the Crates.io repository. The crate attempted to compromise developer systems by executing hidden shell scripts during standard `cargo build` compilation cycles.
Supply chain security analysts at SafeDep have uncovered a malicious package named arrayref-proc-macro1 on the Crates.io repository. The crate attempted to compromise developer systems by executing hidden shell scripts during standard cargo build compilation cycles The security & open source details above are what the Ars Technica report is actually claiming — not a full spec sheet.
Malicious Rust Crate 'arrayref' Executes Arbitrary Payload at Build Time. Confirm timing, pricing, and availability with Ars Technica before treating this as shipping news.
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The malicious code leveraged Rust procedural macro capabilities to download encrypted payloads from external command-and-control servers during macro expansion, harvesting local environment variables and SSH keys.
The Rust Security Response Team has removed the offending package and advises developers to audit build dependencies and restrict build script network permissions using sandboxing tools.