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es5-ext dependency is quarantined by Nexus Firewall, blocking hermetic builds

Closed Beginner friendly
#7,788 1 comment 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
68/100
Issue type
Bug
Clarity
Clearly specified
Activity status
Quiet
Tech stack
typescript, vscode

Research direction

Start in lib/vscode/package.json and trace the listed dependency chain to confirm how es5-ext is resolved. Apply the dependency override described in the issue, then run the hermetic or hardened dependency-fetch build to verify that the quarantined package is no longer requested.

Written by the indexing model from the issue text.

Description

bug code-server needs-investigation

Problem

The es5-ext npm package (both 0.10.63 and 0.10.64) has been quarantined by Nexus Firewall under advisory sonatype-2022-2248. Its _postinstall.js script makes network calls to geolocate the host and executes undisclosed code (classified as protestware). Both versions are flagged; there is no clean upstream version.

This blocks any hermetic/hardened supply chain build that prefetches npm dependencies through an artifact registry proxy, resulting in:

FetchError: 403, message='--- Requested item is quarantined ---'
url='https://artifact-registry-proxy.../npm-proxy/es5-ext/-/es5-ext-0.10.63.tgz'

Dependency chain

es5-ext enters code-server through the VS Code submodule (lib/vscode/):

  • gulp-sourcemapsdebug-fabulousmemoizeees5-ext (build tooling, devDependency)
  • Also via d, es6-iterator, es6-symbol, es6-weak-map, esniff, event-emitter, timers-ext

Upstream status

Suggested fix

Add an npm overrides entry in lib/vscode/package.json to alias es5-ext to @unes/es5-ext, a community fork that strips the postinstall script and rebases daily against upstream:

"overrides": {
    "es5-ext": "npm:@unes/es5-ext@0.10.64-1"
}

We have implemented this fix in our downstream build at opendatahub-io/notebooks#3556.

Dominant language
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