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.

CVSS v3 4.6 MEDIUM
CVSS v2.0 2.1 LOW

4.6^/10

CVSS v3 : MEDIUM

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

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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 (hide)

cpe:2.3:a:yubico:libykpiv:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:yubico:piv_tool_manager:*:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:a:yubico:yubikey_smart_card_minidriver:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-07-09 18:15

Updated : 2023-12-10 13:27

NVD link : CVE-2020-13132

Mitre link : CVE-2020-13132

CVE.ORG link : CVE-2020-13132

JSON object : View

Products Affected

yubico

piv_tool_manager
yubikey_smart_card_minidriver
libykpiv

CWE

CWE-763

Release of Invalid Pointer or Reference

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