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CVE-2020-26570

Good to know:

Date: October 5, 2020

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

Language: C

Severity Score

5.5

Related Resources (12)

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

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24316

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-26570

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

Url: https://security.alpinelinux.org/vuln/CVE-2020-26570

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/

Url: https://security-tracker.debian.org/tracker/CVE-2020-26570

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-26570

Url: https://github.com/OpenSC/OpenSC/commit/6903aebfddc466d966c7b865fae34572bf3ed23e

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

Url: https://access.redhat.com/security/cve/CVE-2020-26570

Url: https://www.mend.io/vulnerability-database/CVE-2020-26570

Severity Score

5.5

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	5.5
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

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:

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