OSV-2022-342 Heap-buffer-overflow in sc_pkcs15init_delete_by_path

Not scored Published

A heap-buffer-overflow in OpenSC's PKCS#15 initialization allows attackers to cause denial of service or potentially execute code via crafted data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Not stated
Victim action needed
Not needed
Fix
None listed

What is OSV-2022-342?

OSV-2022-342 is a memory corruption vulnerability in opensc, published on 14 Apr 2022.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46653

Crash type: Heap-buffer-overflow READ 1
Crash state:
sc_pkcs15init_delete_by_path
sc_pkcs15init_store_data
sc_pkcs15init_store_data_object

Which versions are affected by OSV-2022-342?

1 open source package ship an affected version, including opensc.

PackageAffectedFixed in
opensc OSS-FuzzAll versionsNone

How do I fix OSV-2022-342?

No fix has been published for OSV-2022-342 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-2022-342 being exploited?

There is no known exploitation of OSV-2022-342 in the wild and no public exploit code.

Sources

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