OSV-2022-1232 Stack-buffer-overflow in sc_pkcs15init_rmdir
A stack buffer overflow in OpenSC's card erasure function allows attackers to cause denial of service or potentially execute code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2022-1232?
OSV-2022-1232 is a memory corruption vulnerability in opensc, published on 3 Dec 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53927
Crash type: Stack-buffer-overflow WRITE 1
Crash state:
sc_pkcs15init_rmdir
sc_pkcs15init_erase_card_recursively
cardos_erase
Which versions are affected by OSV-2022-1232?
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-2022-1232?
No fix has been published for OSV-2022-1232 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-2022-1232 being exploited?
There is no known exploitation of OSV-2022-1232 in the wild and no public exploit code.