CVE-2022-21718: Renderers can obtain access to random bluetooth device without permission in Electron
Impact This vulnerability allows renderers to obtain access to a random bluetooth device via the web bluetooth API if the app has not configured a custom select-bluetooth-device event handler. The device that is accessed is random and the attacker would have no way of selecting a specific device.
All current stable versions of Electron are affected.
Patches This has been patched and the following Electron versions contain the fix: 17.0.0-alpha.6 16.0.6 15.3.5 14.2.4 13.6.6
Workarounds Adding this code to your app can workaround the issue.
js app.on('web-contents-created', (event, webContents) => { webContents.on('select-bluetooth-device', (event, devices, callback) => { // Prevent default behavior event.preventDefault(); // Cancel the request callback(''); }); });
For more information If you have any questions or comments about this advisory, email us at security@electronjs.org.
Other sources
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. A vulnerability in versions prior to 17.0.0-alpha.6, 16.0.6, 15.3.5, 14.2.4, and 13.6.6 allows renderers to obtain access to a bluetooth device via the web bluetooth API if the app has not configured a custom select-bluetooth-device event handler. This has been patched and Electron versions 17.0.0-alpha.6, 16.0.6, 15.3.5, 14.2.4, and 13.6.6 contain the fix. Code from the GitHub Security Advisory can be added to the app to work around the issue.
Affected Software
Remediation
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is CVE-2022-21718?
CVE-2022-21718 is a vulnerability in Electron that allows renderers to obtain access to a random Bluetooth device via the web Bluetooth API.
How does CVE-2022-21718 impact my system?
CVE-2022-21718 allows unauthorized access to Bluetooth devices if the app has not configured a custom 'select-bluetooth-device' event handler.
What is the severity of CVE-2022-21718?
CVE-2022-21718 has a severity value of 5 (medium).
How can I fix CVE-2022-21718?
To fix CVE-2022-21718, update Electron to version 17.0.0-alpha.6 or apply the appropriate patch provided by the vendor.
Where can I find more information about CVE-2022-21718?
You can find more information about CVE-2022-21718 on the Electron GitHub security advisory (GHSA-3p22-ghq8-v749) and the NVD (National Vulnerability Database) website.