USN-4276-1: Yubico PIV Tool vulnerabilities

Releases

• Ubuntu 18.04 ESM

Packages

• 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

• libykpiv1 - 1.4.2-2ubuntu0.1
• ykcs11 - 1.4.2-2ubuntu0.1
• yubico-piv-tool - 1.4.2-2ubuntu0.1

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

References

• CVE-2018-14779
• CVE-2018-14780

Related notices

• USN-4846-1: yubico-piv-tool, libykpiv1