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CVE-2021-34193

Good to know:

Date: August 21, 2023

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

Language: C++

Severity Score

7.5

Related Resources (15)

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800

Url: https://security-tracker.debian.org/tracker/CVE-2021-34193

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-34193

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912

Url: https://www.mend.io/vulnerability-database/CVE-2021-34193

Severity Score

7.5

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

Upgrade to version 0.22.0

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

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