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USN-4276-1: Yubico PIV Tool vulnerabilities

11 February 2020

Yubico PIV Tool could be made to crash or run programs as an administrator if it received specially crafted input.




It was discovered that libykpiv, a supporting library of the Yubico PIV
Tool and YubiKey PIV Manager, mishandled specially crafted input. An
attacker with a custom-made, malicious USB device could potentially execute
arbitrary code on a computer running the Yubico PIV Tool or Yubikey PIV

Update instructions

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

Ubuntu 18.04

After a standard system update you need to reboot your computer to make
all the necessary changes.