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

CVE-2021-34193

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

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

HIGH · CVSS 7.5 EPSS 0.00651
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
opensc project opensc< 0.22.0
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
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 NVD22 Aug 2023 · 07:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

1
msrcCVE-2021-34193
🔗

References & Sources

13
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=27719Issue TrackingMailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185Issue TrackingMailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383Issue TrackingMailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768Issue TrackingMailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843Issue TrackingMailing List
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855Issue TrackingMailing List
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