Base Score

MEDIUM5.3

CVE-2021-42778

A heap double free issue was found in Opensc before version 0.22.0 in sc_pkcs15_free_tokeninfo.

VectorNETWORK

Published Bysecalert@redhat.com

Published DateApr 18, 2022, 17:15

Weakness Type (CWE):CWE-415

CVSS Metrics

Base Score

5.3

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

LOW

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185
https://bugzilla.redhat.com/show_bug.cgi?id=2016083
https://github.com/OpenSC/OpenSC/commit/f015746d
https://security.gentoo.org/glsa/202209-03
https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html

Base Score

MEDIUM5.3

Weakness Type (CWE):CWE-415

CVSS Metrics

Base Score

5.3

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

LOW