CVE-2021-34193 — Out-of-bounds Write in Project Opensc

CWE-787 — Out-of-bounds Write7 documents7 sources
Severity
7.5HIGHNVD
EPSS
0.5%
top 33.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Opensc Project Opensc
Timeline
PublishedAug 22

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDopensc_project/opensc< 0.22.0
▶Debianopensc_project/opensc< 0.21.0-1+deb11u1+3

🔴Vulnerability Details

3
GHSA
GHSA-882v-v6g5-f7qr: Stack overflow vulnerability in OpenSC smart card middleware before 0↗2023-08-22
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OSV
CVE-2021-34193: Stack overflow vulnerability in OpenSC smart card middleware before 0↗2023-08-22
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CVEList
CVE-2021-34193: Stack overflow vulnerability in OpenSC smart card middleware before 0↗2023-08-22
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📋Vendor Advisories

3
Red Hat
opensc: Stack overflow vulnerability in OpenSC smart card middleware↗2023-08-22
▶
Microsoft
Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.↗2023-08-08
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Debian
CVE-2021-34193: opensc - Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via cra...↗2021
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CVE-2021-34193 — Out-of-bounds Write in Project Opensc | cvebase