Heads up: Alternative firmware users (such as LOS users) should have to update your modem.zip manually soon (assuming its updated soon) given CVE-2018-5383
An unauthenticated, remote attacker within range may be able to utilize a man-in-the-middle network position to determine the cryptographic keys used by the device. The attacker can then intercept and decrypt and/or forge and inject device messages.
TL;DR: In order to fix CVE-2018-5383 on custom ROMs (such as LineageOS), there is no need to update the modem.zip file.
Bluetooth and wifi firmware is included within the ROM as a binary blob and resides on the /system partition, therefore it should be sufficient to update the custom ROM once the new updated blobs are included.
We’ll have to wait for Fairphone to ship a new version of the bluetooth blobs with their next Fairphone OS release until the community can include them in custom ROMs.
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