Arbitrary Code Execution Affecting electron package, versions <2.0.17 >=3.0.0 <3.0.15 >=3.1.0 <3.1.3 >=4.0.0 <4.0.4 >=5.0.0-beta.1 <5.0.0-beta.2
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Test your applications- Snyk ID SNYK-JS-ELECTRON-483050
- published 11 Nov 2019
- disclosed 31 Jan 2019
- credit PalmerAL
How to fix?
Upgrade electron to version 2.0.17, 3.0.15, 3.1.3, 4.0.4, 5.0.0-beta.2 or higher.
If for some reason you are unable to upgrade your Electron version, you can mitigate this issue by disabling all child web contents: view.webContents.on('-add-new-contents', e => e.preventDefault());
Overview
electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS.
Affected versions of this package are vulnerable to Arbitrary Code Execution.
Opening a BrowserView with sandbox: true or nativeWindowOpen: true and nodeIntegration: false results in a webContents where window.open() can be called and the newly opened child will have nodeIntegration enabled.