CVE-2021-34193 Memory corruption in n/a
A stack overflow in OpenSC allows attackers to execute arbitrary code or cause denial of service via crafted APDU responses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-34193?
CVE-2021-34193 is a high-severity memory corruption vulnerability in Opensc Project Opensc, published on 22 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.
Weakness: CWE-787
Which versions are affected by CVE-2021-34193?
It affects 1 product.
Products include Opensc Project Opensc.
How do I fix CVE-2021-34193?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-34193 being exploited?
There is no known exploitation of CVE-2021-34193 in the wild and no public exploit code.
Other vulnerabilities in Opensc Project Opensc
Sources
Also known as AZL-28094, DEBIAN-CVE-2021-34193, GHSA-882v-v6g5-f7qr.