Ubuntu 20.04 LTS: USN-4395-1 Critical: fwupd Unsigned Firmware Issue

ubuntu

June 15, 2020

fwupd could be made to install an unsigned firmware.

Summary

fwupd could be made to install an unsigned firmware.

Software Description:

- fwupd: Firmware update daemon

Details:

Justin Steven discovered that fwupd incorrectly handled certain signature

verification. An attacker could possibly use this issue to install an unsigned

firmware.

Topics Covered

security advisory security issue ubuntu fwupd unsigned firmware

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  fwupd                           1.3.9-4ubuntu0.1
  libfwupd2                       1.3.9-4ubuntu0.1

Ubuntu 19.10:
  fwupd                           1.2.10-1ubuntu4.1
  libfwupd2                       1.2.10-1ubuntu4.1

Ubuntu 18.04 LTS:
  fwupd                           1.2.10-1ubuntu2~ubuntu18.04.5
  libfwupd2                       1.2.10-1ubuntu2~ubuntu18.04.5

Ubuntu 16.04 LTS:
  fwupd                           0.8.3-0ubuntu5.1
  libfwupd1                       0.8.3-0ubuntu5.1

In general, a standard system update will make all the necessary changes.