[USN-4276-1] Yubico PIV Tool vulnerabilities

Mike Salvatore mike.salvatore at canonical.com
Tue Feb 11 15:43:40 UTC 2020

Ubuntu Security Notice USN-4276-1
February 11, 2020

Yubico PIV Tool vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS


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


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 LTS:
  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.

  CVE-2018-14779, CVE-2018-14780

Package Information:

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20200211/5827ccfb/attachment.sig>

More information about the ubuntu-security-announce mailing list