critical
9.8
CWE
668
Advisory Published
Updated

CVE-2022-29247: Exposure of Resource to Wrong Sphere in Electron

First published: Mon Jun 13 2022(Updated: )

Electron is a framework for writing cross-platform desktop applications using JavaScript (JS), HTML, and CSS. A vulnerability in versions prior to 18.0.0-beta.6, 17.2.0, 16.2.6, and 15.5.5 allows a renderer with JS execution to obtain access to a new renderer process with `nodeIntegrationInSubFrames` enabled which in turn allows effective access to `ipcRenderer`. The `nodeIntegrationInSubFrames` option does not implicitly grant Node.js access. Rather, it depends on the existing sandbox setting. If an application is sandboxed, then `nodeIntegrationInSubFrames` just gives access to the sandboxed renderer APIs, which include `ipcRenderer`. If the application then additionally exposes IPC messages without IPC `senderFrame` validation that perform privileged actions or return confidential data this access to `ipcRenderer` can in turn compromise your application / user even with the sandbox enabled. Electron versions 18.0.0-beta.6, 17.2.0, 16.2.6, and 15.5.5 contain a fix for this issue. As a workaround, ensure that all IPC message handlers appropriately validate `senderFrame`.

Credit: security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
Electronjs Electron<15.5.5
Electronjs Electron>=16.0.1<16.2.6
Electronjs Electron>=17.0.1<17.2.0
Electronjs Electron=16.0.0-beta1
Electronjs Electron=16.0.0-beta2
Electronjs Electron=16.0.0-beta3
Electronjs Electron=16.0.0-beta4
Electronjs Electron=16.0.0-beta5
Electronjs Electron=16.0.0-beta6
Electronjs Electron=16.0.0-beta7
Electronjs Electron=16.0.0-beta8
Electronjs Electron=16.0.0-beta9
Electronjs Electron=17.0.0-beta1
Electronjs Electron=17.0.0-beta2
Electronjs Electron=17.0.0-beta3
Electronjs Electron=17.0.0-beta4
Electronjs Electron=17.0.0-beta5
Electronjs Electron=17.0.0-beta6
Electronjs Electron=17.0.0-beta7
Electronjs Electron=17.0.0-beta8
Electronjs Electron=17.0.0-beta9
Electronjs Electron=18.0.0-beta1
Electronjs Electron=18.0.0-beta2
Electronjs Electron=18.0.0-beta3
Electronjs Electron=18.0.0-beta4
Electronjs Electron=18.0.0-beta5

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Reference Links

Frequently Asked Questions

  • What is Electron?

    Electron is a framework for writing cross-platform desktop applications using JavaScript (JS), HTML, and CSS.

  • What is the vulnerability ID of this Electron vulnerability?

    The vulnerability ID of this Electron vulnerability is CVE-2022-29247.

  • What is the severity of CVE-2022-29247?

    The severity of CVE-2022-29247 is critical with a severity value of 9.8.

  • How does CVE-2022-29247 allow a renderer with JS execution to obtain access to a new renderer process?

    CVE-2022-29247 allows a renderer with JS execution to obtain access to a new renderer process through `nodeIntegrationInSubFrames`.

  • How can I fix CVE-2022-29247?

    To fix CVE-2022-29247, update to versions 18.0.0-beta.6, 17.2.0, 16.2.6, or 15.5.5 of Electron.

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