CVE-2020-26572

2020-10-0602:15:13

Alpine Linux Development Team

security.alpinelinux.org

opensc

buffer overflow

smart card software

unix

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

5.9

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.

OSVersionArchitecturePackageVersionFilename
Alpineedge-communitynoarchopensc< 0.21.0-r0UNKNOWN
Alpine3.12-communitynoarchopensc< 0.20.0-r2UNKNOWN
Alpine3.13-communitynoarchopensc< 0.21.0-r0UNKNOWN
Alpine3.14-communitynoarchopensc< 0.21.0-r0UNKNOWN
Alpine3.15-communitynoarchopensc< 0.21.0-r0UNKNOWN
Alpine3.16-communitynoarchopensc< 0.21.0-r0UNKNOWN
Alpine3.17-communitynoarchopensc< 0.21.0-r0UNKNOWN
Alpine3.18-communitynoarchopensc< 0.21.0-r0UNKNOWN
Alpine3.19-communitynoarchopensc< 0.21.0-r0UNKNOWN
Alpine3.20-communitynoarchopensc< 0.21.0-r0UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	edge-community	noarch	opensc	< 0.21.0-r0	UNKNOWN
Alpine	3.12-community	noarch	opensc	< 0.20.0-r2	UNKNOWN
Alpine	3.13-community	noarch	opensc	< 0.21.0-r0	UNKNOWN
Alpine	3.14-community	noarch	opensc	< 0.21.0-r0	UNKNOWN
Alpine	3.15-community	noarch	opensc	< 0.21.0-r0	UNKNOWN
Alpine	3.16-community	noarch	opensc	< 0.21.0-r0	UNKNOWN
Alpine	3.17-community	noarch	opensc	< 0.21.0-r0	UNKNOWN
Alpine	3.18-community	noarch	opensc	< 0.21.0-r0	UNKNOWN
Alpine	3.19-community	noarch	opensc	< 0.21.0-r0	UNKNOWN
Alpine	3.20-community	noarch	opensc	< 0.21.0-r0	UNKNOWN