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[Security] Mitigate command injection in Cloudflare plugin #7781

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[Security] Mitigate command injection in Cloudflare plugin #7781

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4 changes: 2 additions & 2 deletions packages/plugin-cloudflare/src/install-cloudflared.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ describe('install-cloudflare', () => {
const binPath = joinPath(tmpDir, 'cloudflared')
const env = {SHOPIFY_CLI_CLOUDFLARED_PATH: binPath}
mockFetch()
vi.mocked(childProcess.execSync).mockImplementation((_command, options) => {
vi.mocked(childProcess.execFileSync).mockImplementation((_command, _args, options) => {
// Simulate tar extracting the file
const cwd = options?.cwd as string
writeFileSync(joinPath(cwd, 'cloudflared'), 'extracted binary')
Expand All @@ -69,7 +69,7 @@ describe('install-cloudflare', () => {
const binPath = joinPath(tmpDir, 'cloudflared')
const env = {SHOPIFY_CLI_CLOUDFLARED_PATH: binPath}
mockFetch()
vi.mocked(childProcess.execSync).mockImplementation((_command, options) => {
vi.mocked(childProcess.execFileSync).mockImplementation((_command, _args, options) => {
const cwd = options?.cwd as string
writeFileSync(joinPath(cwd, 'cloudflared'), 'extracted binary')
return Buffer.from('')
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5 changes: 3 additions & 2 deletions packages/plugin-cloudflare/src/install-cloudflared.ts
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Expand Up @@ -14,7 +14,7 @@ import {fileURLToPath} from 'url'
import util from 'util'
import {pipeline} from 'stream'
// eslint-disable-next-line no-restricted-imports
import {execSync, execFileSync} from 'child_process'
import {execFileSync} from 'child_process'

export const CURRENT_CLOUDFLARE_VERSION = '2024.8.2'
const CLOUDFLARE_REPO = `https://github.com/cloudflare/cloudflared/releases/download/${CURRENT_CLOUDFLARE_VERSION}/`
Expand Down Expand Up @@ -132,7 +132,8 @@ async function installWindows(file: string, binTarget: string) {
async function installMacos(file: string, binTarget: string) {
await downloadFile(file, `${binTarget}.tgz`)
const filename = basename(`${binTarget}.tgz`)
execSync(`tar -xzf ${filename}`, {cwd: dirname(binTarget)})
// Use execFileSync to avoid shell interpretation and mitigate command injection
execFileSync('tar', ['-xzf', filename], {cwd: dirname(binTarget)})
unlinkFileSync(`${binTarget}.tgz`)
await renameFile(`${dirname(binTarget)}/cloudflared`, binTarget)
}
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