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MitreCVE-2020-26572

HistoryOct 06, 2020 - 2:15 a.m.

CVE-2020-26572

2020-10-0602:15:13

CWE-787

mitre

web.nvd.nist.gov

206

cve-2020-26572

tcos

smart card

opensc

buffer overflow

security vulnerability

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

19.0%

JSON

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

Affected configurations

Nvd

Node

opensc_projectopenscRange≤0.20.0

Node

fedoraprojectfedoraMatch33

Node

debiandebian_linuxMatch9.0

VendorProductVersionCPE
opensc_projectopensc*cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
opensc_project	opensc	*	cpe:2.3:a:opensc_project:opensc::::::::
fedoraproject	fedora	33	cpe:2.3:o:fedoraproject:fedora:33:::::::*
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*