OSV-2022-1232 Stack-buffer-overflow in sc_pkcs15init_rmdir

Not scored Published

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.

PackageAffectedFixed in
opensc OSS-FuzzAll versionsNone

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.

Sources

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