PT-2022-11688 · Opensc+3 · Opensc+3

Pedro Sampaio · Published 2021-04-02 · Updated 2024-12-28 · CVE-2021-42781

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Opensc versions prior to 0.22.0

Description Heap buffer overflow issues were found in the pkcs15-oberthur.c file that could potentially crash programs using the library.

Recommendations For versions prior to 0.22.0, update to version 0.22.0 or later to resolve the issue. As a temporary workaround, consider restricting the use of the pkcs15-oberthur.c file until a patch is available.

Fix

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

ALT-PU-2021-2480

ALT-PU-2023-1834

ALT-PU-2023-1905

ALT-PU-2023-5128

AZL-9484

BDU:2025-12490

CVE-2021-42781

DLA-3463-1

DLA-4004-1

MGASA-2021-0512

OESA-2022-1640

OPENSUSE-SU-2022_1156-1

OPENSUSE-SU-2024:11613-1

SUSE-SU-2021:3582-1

SUSE-SU-2022:1041-1

SUSE-SU-2022:1156-1

Affected Products

Alt Linux

Astra Linux

Opensc

Suse

References · 74

• https://github.com/OpenSC/OpenSC/commit/40c50a3a · Patch
• https://github.com/OpenSC/OpenSC/commit/05648b06 · Patch
• https://github.com/OpenSC/OpenSC/commit/5d4daf6c · Patch
• https://github.com/OpenSC/OpenSC/commit/cae5c71f · Patch
• https://github.com/OpenSC/OpenSC/commit/17d8980c · Patch
• https://osv.dev/vulnerability/SUSE-SU-2022:1041-1 · Vendor Advisory
• https://security.gentoo.org/glsa/202209-03 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11613-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42781 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2016439 · Patch
• https://osv.dev/vulnerability/CVE-2021-42781 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3463-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:3582-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1640 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-9484 · Vendor Advisory