CVE-2021-34193
First published: Tue Aug 22 2023(Updated: )
Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Opensc Project Opensc | <0.23.0 | |
| Opensc Project Opensc | <0.22.0 |
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Reference Links
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149
Frequently Asked Questions
What is CVE-2021-34193?
CVE-2021-34193 is a stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.
How can the CVE-2021-34193 vulnerability affect my system?
The CVE-2021-34193 vulnerability can allow an attacker to execute arbitrary code or cause a denial of service by sending specially crafted responses to APDUs.
What is the severity of CVE-2021-34193?
The severity of CVE-2021-34193 is high, with a severity value of 7.5.
How do I fix the CVE-2021-34193 vulnerability?
To fix the CVE-2021-34193 vulnerability, you should upgrade your OpenSC smart card middleware to version 0.23.0 or later.
Where can I find more information about CVE-2021-34193?
You can find more information about CVE-2021-34193 at the following links: [Link 1](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719), [Link 2](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185), [Link 3](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383)
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