CVE-2021-34193

Publication date 22 August 2023

Last updated 8 January 2025


Ubuntu priority

Cvss 3 Severity Score

7.5 · High

Score breakdown

Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.

Read the notes from the security team

Status

Package Ubuntu Release Status
opensc 24.10 oracular
Needs evaluation
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage
23.04 lunar Ignored end of life, was needs-triage
22.04 LTS jammy
Not affected
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Ignored end of standard support

Notes


octagalland

According to the discussion at https://github.com/OpenSC/OpenSC/issues/2841, this CVE is a duplicate of the following CVEs: CVE-2021-42778, CVE-2021-42779, CVE-2021-42780, CVE-2021-42781, and CVE-2021-42782.

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H