OSV-2023-578 Heap-buffer-overflow in cosm_new_file

Not scored Published

A heap-buffer-overflow in OpenSC's cosm_new_file function allows attackers to cause denial of service or potentially execute code via crafted input.

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

What is OSV-2023-578?

OSV-2023-578 is a memory corruption vulnerability in opensc, published on 17 Jul 2023.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60650

Crash type: Heap-buffer-overflow READ 1
Crash state:
cosm_new_file
cosm_create_key
sc_pkcs15init_generate_key

Which versions are affected by OSV-2023-578?

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

PackageAffectedFixed in
opensc OSS-FuzzAll versionsNone

How do I fix OSV-2023-578?

No fix has been published for OSV-2023-578 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-2023-578 being exploited?

There is no known exploitation of OSV-2023-578 in the wild and no public exploit code.

Sources

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