OSV-2022-386 Invalid-free in change_pin
An invalid-free vulnerability in the change_pin function of a PKCS15 tool library can cause a crash, potentially leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2022-386?
OSV-2022-386 is a memory corruption vulnerability in opensc, published on 1 May 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47143
Crash type: Invalid-free
Crash state:
change_pin
_main
fuzz_pkcs15_tool.c
Which versions are affected by OSV-2022-386?
1 open source package ship an affected version, including opensc.
| Package | Affected | Fixed in |
|---|---|---|
opensc OSS-Fuzz | All versions | None |
How do I fix OSV-2022-386?
No fix has been published for OSV-2022-386 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is OSV-2022-386 being exploited?
There is no known exploitation of OSV-2022-386 in the wild and no public exploit code.