4.6

CVE-2020-13132

Exploit

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.

Data is provided by the National Vulnerability Database (NVD)
Yubico ≫ Libykpiv Version < 2.1.0
Yubico ≫ Piv Tool Manager Version < 2.0.0
Yubico ≫ Yubikey Smart Card Minidriver Version <= 4.1.0.172
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.06% 0.143
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 4.6 0.9 3.6
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:N/I:N/A:P
cve@mitre.org 4.3 0.7 3.6
CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-763 Release of Invalid Pointer or Reference

The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.