CVE-2020-26572

medium

Description

The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/

https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html

https://github.com/OpenSC/OpenSC/commit/9d294de90d1cc66956389856e60b6944b27b4817

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22967

http://www.openwall.com/lists/oss-security/2020/11/24/4

Details

Source: Mitre, NVD

Published: 2020-10-06

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium