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CVE-2021-42781

Good to know:

Date: April 18, 2022

Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.

Severity Score

5.3

Related Resources (5)

Url: https://github.com/OpenSC/OpenSC/commit/40c50a3a

Url: https://access.redhat.com/security/cve/CVE-2021-42781

Url: https://security.gentoo.org/glsa/202209-03

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-42781

Url: https://www.mend.io/vulnerability-database/CVE-2021-42781

Severity Score

5.3

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

CVSS v3.1

Base Score:	5.3
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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