CVE-2021-42781 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2016439 https://github.com/OpenSC/OpenSC/commit/17d8980c https://github.com/OpenSC/OpenSC/commit/5d4daf6c https://github.com/OpenSC/OpenSC/commit/40c50a3a https://github.com/OpenSC/OpenSC/commit/05648b06 https://github.com/OpenSC/OpenSC/commit/cae5c71f

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3