Home/CVE/A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash p
CVE

CVE-2021-42780

A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash p

A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash programs using the library.

MEDIUM · CVSS 5.3 EPSS 0.00084
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-252Unchecked Return Value
CWE-252Unchecked Return Value
▤

Affected Products & Versions

3
opensc project opensc< 0.22.0
fedoraproject fedoraall versions
redhat enterprise linuxall versions
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Apr 2022 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
⚑

Vendor Advisories

8
usnUSN-7346-3
usnUSN-7346-1
suse-csafopenSUSE-SU-2024:11613-1
msrcCVE-2021-42780
suse-csafSUSE-SU-2022:1156-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383Issue TrackingMailing ListPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016139Issue TrackingPatchThird Party Advisory
https://github.com/OpenSC/OpenSC/commit/5df913b7PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
https://security.gentoo.org/glsa/202209-03Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html
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