CVE Vulnerability

CVE-2020-13132

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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

4.6 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.9 / Impact : 3.6

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://blog.inhq.net/posts/yubico-libykpiv-vuln/ Exploit Third Party Advisory
https://www.yubico.com/support/security-advisories/ysa-2020-02/ Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:yubico:libykpiv:*:*:*:*:*:*:*:*
cpe:2.3:a:yubico:piv_tool_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:yubico:yubikey_smart_card_minidriver:*:*:*:*:*:*:*:*
Information

Published : 2020-07-09 06:15

Updated : 2021-07-21 11:39

NVD link : CVE-2020-13132

Mitre link : CVE-2020-13132

Products Affected
No products.
CWE
CWE-763