USN-4276-1: Yubico PIV Tool vulnerabilities

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
libykpiv11.4.2-2ubuntu0.1
ykcs111.4.2-2ubuntu0.1
yubico-piv-tool1.4.2-2ubuntu0.1

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

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