The MouseJack and KeyJack eavesdropping / injection attack for numerous devices will no doubt persist for a long time. These vulnerabilities allow your unencrypted wireless mouse connection to be used as a keyboard by attackers to inject unwanted keystrokes, possibly taking over your PC. Force pairing allows unauthorized input to your PC.
|Firmware series||MouseJack/KeyJack patched|
Since May 2017, the Linux “fwupd” utility has supported updating Logitech Unifying receivers. Ubuntu 18.04 and Fedora among others will give you a prompt to update your receiver firmware, which is a seamless quick process.
Check firmware version and pair devices to the Logitech Unifying receiver with
apt install solaar
Update thanks to Richard Hughes, a senior developer at Red Hat.
Check firmware version
List all recognized devices, including firmware versions where applicable:
- Download/extract Unifying Receiver firmware
- Install Unifying Receiver software
- In Logitech Unifying software click Advanced → Update Firmware