4.6 - CVE-2020-13132

Executive Summary

Informations
Name	CVE-2020-13132	First vendor Publication	2020-07-09
Vendor	Cve	Last vendor Modification	2021-07-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score	4.6
Base Score	4.6	Environmental Score	4.6
impact SubScore	3.6	Temporal Score	4.6
Exploitabality Sub Score	0.9

Attack Vector	Physical	Attack Complexity	Low
Privileges Required	None	User Interaction	None
Scope	Unchanged	Confidentiality Impact	None
Integrity Impact	None	Availability Impact	High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score	2.1	Attack Range	Local
Cvss Impact Score	2.9	Attack Complexity	Low
Cvss Expoit Score	3.9	Authentication	None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13132

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-763	Release of Invalid Pointer or Reference

CPE : Common Platform Enumeration

Type	Description	Count
Application	Yubico Libykpiv cpe:2.3:a:yubico:libykpiv::::::::	1
Application	Yubico Piv Tool Manager cpe:2.3:a:yubico:piv_tool_manager::::::::	1

Sources (Detail)

Source	Url
CONFIRM	https://www.yubico.com/support/security-advisories/ysa-2020-02/
MISC	https://blog.inhq.net/posts/yubico-libykpiv-vuln/

Alert History

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Date	Informations
2021-08-05 01:36:54	Multiple Updates
2021-07-21 17:23:39	Multiple Updates
2021-05-04 13:45:42	Multiple Updates
2021-04-22 02:57:37	Multiple Updates
2020-07-17 00:22:48	Multiple Updates
2020-07-10 00:22:44	First insertion