CVE-2020-13132

An issue was discovered in Yubico libykpiv before 2.1.0. An attacker can trigger an incorrect free in the ykpivutilgeneratekey function in lib/util.c through incorrect error handling code. This could be used to cause a denial of service attack...

CVE-2020-13131

An issue was discovered in Yubico libykpiv before 2.1.0. lib/util.c in this library which is included in yubico-piv-tool does not properly check embedded length fields during device communication. A malicious PIV token can misreport the returned length fields during RSA key generation. This will...

CVE-2020-13131

CVE-2020-13131 affects Yubico libykpiv before 2.1.0. The bug in lib/util.c mishandles embedded length fields during device communication, allowing a malicious PIV token to misreport lengths during RSA key generation. This can copy stack memory into heap memory returned to the caller, potentially ...

CVE-2020-13131

An issue was discovered in Yubico libykpiv before 2.1.0. lib/util.c in this library which is included in yubico-piv-tool does not properly check embedded length fields during device communication. A malicious PIV token can misreport the returned length fields during RSA key generation. This will...

Security advisory YSA-2020-02, YSA-2020-03 | Yubico | YubiKey

The libykpiv library, included in the Yubico PIV Tool project and the YubiKey Smart Card Minidriver, does not properly check embedded length fields during device communication. A maliciously-crafted PIV token could possibly misreport the returned length fields during RSA key generation. This coul...

Ubuntu 18.04 LTS : Yubico PIV Tool vulnerabilities (USN-4276-1)

The remote Ubuntu 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4276-1 advisory. It was discovered that libykpiv, a supporting library of the Yubico PIV Tool and YubiKey PIV Manager, mishandled specially crafted input. An attacker wit...

Ubuntu: Security Advisory (USN-4276-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-4276-1: Yubico PIV Tool vulnerabilities

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...

Security advisory YSA-2018-03 | Yubico

Eric Sesterhenn of X41 D-Sec notified Yubico of a security issue in libykpiv, a supporting library of the Yubico PIV Tool, YubiKey PIV Manager, and Yubikey Smart Card Minidriver. This issue can allow an attacker with a custom made malicious USB device masquerading as a YubiKey, and physical acces...