Update Logitech Unifying firmware for MouseJack & KeyJack

The MouseJack and KeyJack eavesdropping/injection attack for numerous devices will no doubt persist for a long time. These vulnerability allows 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
012.xxx RQR12.07_B0029
024.xxx RQR24.05_B0029

Linux

Since May 2017, the Linux fwupd utility has supported updating Logitech Unifying receivers. Ubuntu ≥ 17.10 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:

fwupdmgr get-devices

Windows

  1. Download/extract Unifying Receiver firmware
  2. Install Unifying Receiver software
  3. In Logitech Unifying software click Advanced → Update Firmware
Logitech Unifying receiver firmware Update screen
Updating Logitech Unifying receiver firmware against MouseJack.

Notes

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