USN-4276-1: Yubico PIV Tool vulnerabilities
Yubico PIV Tool vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Summary
Yubico PIV Tool could be made to crash or run programs as an administrator if it received specially crafted input.
Software Description
- yubico-piv-tool – Command line tool for the YubiKey PIV applet
Details
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
Manager.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.04 LTS
- libykpiv1 – 1.4.2-2ubuntu0.1
- ykcs11 – 1.4.2-2ubuntu0.1
- yubico-piv-tool – 1.4.2-2ubuntu0.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
Source: USN-4276-1: Yubico PIV Tool vulnerabilities
