Base Score

MEDIUM5.5

CVE-2020-26570

The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.

VectorLOCAL

Published Bycve@mitre.org

Published DateOct 06, 2020, 02:15

Weakness Type (CWE):CWE-787

CVSS Metrics

Base Score

5.5

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH

References

http://www.openwall.com/lists/oss-security/2020/11/24/4
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24316
https://github.com/OpenSC/OpenSC/commit/6903aebfddc466d966c7b865fae34572bf3ed23e
https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/

Base Score

MEDIUM5.5

Weakness Type (CWE):CWE-787

CVSS Metrics

Base Score

5.5

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH