==========================================================================
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
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
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://usn.ubuntu.com/4276-1
CVE-2018-14779, CVE-2018-14780
Package Information:
https://launchpad.net/ubuntu/+source/yubico-piv-tool/1.4.2-2ubuntu0.1
—–BEGIN PGP SIGNATURE—–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=zTgn
—–END PGP SIGNATURE—–
—