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A GitHub-reviewed security advisory, not necessarily under active exploitation the way our CISA KEV advisories are, but a real, disclosed vulnerability in an open-source dependency.
Affected packages
Vulnerable: >= 45.0.0-alpha.1, < 45.0.0-alpha.5
Patched in 45.0.0-alpha.5
Vulnerable: >= 44.0.0-alpha.1, < 44.3.0
Patched in 44.3.0
Vulnerable: >= 43.0.0-alpha.1, < 43.7.0
Patched in 43.7.0
Vulnerable: < 42.11.3
Patched in 42.11.3
Details
For hid and usb permission checks made from an iframe, session.setPermissionCheckHandler was given the top-level frame's origin and details instead of the requesting frame's. Apps that allow these permissions based on origin could grant an embedded frame access intended for the top-level page.
You're only affected if you use setPermissionCheckHandler with origin-based logic for hid or usb and embed cross-origin iframes with allow="hid" or allow="usb". Apps that don't delegate those features to untrusted iframes are not affected.
Don't add allow="hid" / allow="usb" to untrusted iframes, or make the decision in your select-hid-device / select-usb-device handler using details.frame.
45.0.0-alpha.544.3.043.7.042.11.3If you have any questions or comments about this advisory, email us at [email protected]
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