@bobfrankston/rmfmail@1.2.284: Malicious npm security report | LPM Firewall

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@bobfrankston/rmfmail@1.2.284: Malicious npm security report | LPM Firewall

Source & flagged code

16 flagged · loading source

package.jsonView file

•scripts.postinstall = node bin/postinstall.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node bin/postinstall.js

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg

bin/build-bundles.mjsView file

31{ L32: const { execFileSync } = await import("node:child_process"); L33: try {

High

Child Process

Package source references child process execution.

bin/build-bundles.mjsView on unpkg · L31

5Cross-file remote execution chain: bin/build-bundles.mjs spawns client/app.bundle.js; helper contains network access plus dynamic code execution. L5: * mailx's msger custom protocol routes every fetch through one IPC channel L6: * (Rust → daemon stdin → response → stdout), so an ES module import cascade L7: * pays a multi-second roundtrip per file. With ~17 client-side modules each ... L31: { L32: const { execFileSync } = await import("node:child_process"); L33: try { ... L162: logLevel: "info", L163: // .wasm files are inlined as base64 data URLs so the runtime can L164: // decode → Uint8Array → pass as initSqlJs({ wasmBinary }), bypassing L165: // sql.js's fetch(...) of the .wasm. Android WebView refuses to L166: // compile WASM fetched from file:// (even with AllowFileAccess /

High

Cross File Remote Execution Context

Source spawns a local helper that also contains network and dynamic execution context; review data flow before blocking.

bin/build-bundles.mjsView on unpkg · L5

5* mailx's msger custom protocol routes every fetch through one IPC channel L6: * (Rust → daemon stdin → response → stdout), so an ES module import cascade L7: * pays a multi-second roundtrip per file. With ~17 client-side modules each ... L31: { L32: const { execFileSync } = await import("node:child_process"); L33: try { ... L162: logLevel: "info", L163: // .wasm files are inlined as base64 data URLs so the runtime can L164: // decode → Uint8Array → pass as initSqlJs({ wasmBinary }), bypassing L165: // sql.js's fetch(...) of the .wasm. Android WebView refuses to L166: // compile WASM fetched from file:// (even with AllowFileAccess /

Low

Weak Crypto

Package source references weak cryptographic algorithms.

bin/build-bundles.mjsView on unpkg · L5

bin/mailx.jsView file

242// reg.exe value for `\"path\" \"%1\"` — double-backslash escapes for L243: // cmd.exe's shell layer, which strips one level before the value reaches L244: // reg.exe. Quoting %1 keeps `?` and `&` from being eaten by cmd before

High

Shell

Package source references shell execution.

bin/mailx.jsView on unpkg · L242

•Manifest-reachable source resolves another installed package, overwrites its runtime code, and injects package-defined remote behavior. bin/mailx.js: fs.copyFileSync(file, target); fs.copyFileSync(__pkgRmfmailtoExe, __rmfmailtoExe); // mailto still works, just from inside node_modules. // picker show "rmfmail" regardless of which path it follows. // Exec quoting follows the Desktop Entry spec: quoted absolute paths, fs.writeFileSync(desktopPath, desktopEntry); fs.writeFileSync(__instanceFile, JSON.stringify(payload, null, 2)); fs.writeFileSync(__handoffStamp, String(Date.now()));

High

Entrypoint Foreign Package Code Overwrite

Manifest-reachable source overwrites another installed package with package-defined remote behavior.

bin/mailx.jsView on unpkg

707// session — inherits it. On Windows a process's cwd holds the directory L708: // locked, so `npm install -g` (the in-app self-update AND a manual update) L709: // dies with EBUSY renaming .../rmfmail/bin for as long as we run ... L720: if (!verbose && !isDaemon && !process.argv.slice(2).some(a => /^-/.test(a))) { L721: const { spawn } = await import("node:child_process"); L722: const child = spawn(process.execPath, [...process.argv.slice(1), "--daemon"], {

High

Runtime Package Install

client/app.bundle.jsView file

11916try { L11917: const fn = new Function(`return (async () => (${code}))();`); L11918: let v = await fn();

Low

Eval

Package source references a known benign dynamic code generation pattern.

client/app.bundle.jsView on unpkg · L11916

bin/lean-accounts.jsView file

136if (fs.existsSync(path.join(dir, "package.json"))) { L137: const mod = await import(pathToFileURL(path.join(dir, "lib", "esm", "main.js")).href).catch(() => null) || L138: await import("jsonc-parser").catch(() => null);

Medium

Dynamic Require

Package source references dynamic require/import behavior.

bin/lean-accounts.jsView on unpkg · L136

bin/rmfshare.exeView file

•path = bin/rmfshare.exe kind = native_binary sizeBytes = 4603904 magicHex = [redacted]

Medium

Ships Native Binary

Package ships native binary artifacts.

bin/rmfshare.exeView on unpkg

bin/build-rmfmailto-exe.jsView file

•matchType = normalized_sha256 matchedPackage = @bobfrankston/rmfmail@1.2.260 matchedPath = bin/build-rmfmailto-exe.js matchedIdentity = npm:QGJvYmZyYW5rc3Rvbi9ybWZtYWls:1.2.260 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

bin/build-rmfmailto-exe.jsView on unpkg

bin/build-rmfshare-exe.jsView file

•matchType = normalized_sha256 matchedPackage = @bobfrankston/rmfmail@1.2.260 matchedPath = bin/build-rmfshare-exe.js matchedIdentity = npm:QGJvYmZyYW5rc3Rvbi9ybWZtYWls:1.2.260 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

bin/build-rmfshare-exe.jsView on unpkg

packages/mailx-service/index.jsView file

•matchType = normalized_sha256 matchedPackage = @bobfrankston/rmfmail@1.2.260 matchedPath = packages/mailx-service/index.js matchedIdentity = npm:QGJvYmZyYW5rc3Rvbi9ybWZtYWls:1.2.260 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

packages/mailx-service/index.jsView on unpkg

packages/mailx-service/index.tsView file

•matchType = normalized_sha256 matchedPackage = @bobfrankston/rmfmail@1.2.260 matchedPath = packages/mailx-service/index.ts matchedIdentity = npm:QGJvYmZyYW5rc3Rvbi9ybWZtYWls:1.2.260 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

packages/mailx-service/index.tsView on unpkg

bin/share-target.jsView file

•matchType = normalized_sha256 matchedPackage = @bobfrankston/rmfmail@1.2.260 matchedPath = bin/share-target.js matchedIdentity = npm:QGJvYmZyYW5rc3Rvbi9ybWZtYWls:1.2.260 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

bin/share-target.jsView on unpkg