CVE-2023-29198

MEDIUM

Electron - Context Isolation Bypass

Title source: llm
STIX 2.1

Description

Electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. Electron apps using `contextIsolation` and `contextBridge` are affected. This is a context isolation bypass, meaning that code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions. This issue is only exploitable if an API exposed to the main world via `contextBridge` can return an object or array that contains a javascript object which cannot be serialized, for instance, a canvas rendering context. This would normally result in an exception being thrown `Error: object could not be cloned`. The app side workaround is to ensure that such a case is not possible. Ensure all values returned from a function exposed over the context bridge are supported. This issue has been fixed in versions `25.0.0-alpha.2`, `24.0.1`, `23.2.3`, and `22.3.6`.

References (2)

Core 2

Scores

CVSS v3 6.0
EPSS 0.0015
EPSS Percentile 34.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-754
Status published
Products (4)
electronjs/electron 24.0.0 (15 CPE variants)
electronjs/electron 25.0.0 alpha1
electronjs/electron < 22.3.6
npm/electron 0 - 22.3.6npm
Published Sep 06, 2023
Tracked Since Feb 18, 2026