CVEvulnerability

CVE-2020-13132

4.6 MEDIUM Published 2020-07-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-07-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.6 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0 ([email protected])
4.3 MEDIUM — CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-763

Description

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

Affected configurations

• yubico libykpiv (< 2.1.0) • yubico piv tool manager (< 2.0.0) • yubico yubikey smart card minidriver (<= 4.1.0.172)

Related

Weakness · CWE (1)

  • CWE-763 Release of Invalid Pointer or Reference weakness

References