The Wayback Machine - https://web.archive.org/web/20210619090948/https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-26572

Home > Vulnerability Database > CVE-2020-26572

WhiteSource Vulnerability Database

New vulnerability? Tell us about it!

CVE-2020-26572

Good to know:

Date: October 5, 2020

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

Language: C

Severity Score

5.5

Related Resources (5)

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

Url: https://lists.fedoraproject.org/archives/list/[email protected]/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-26572

Url: https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-26572

Severity Score

5.5

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

Upgrade to version 0.21.0-rc1

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privilegs Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

Do you need more information?

Contact Us