OSV-2023-1169 Heap-buffer-overflow in epassNUMBER_pkcs15_generate_key

Not scored Published

A heap-buffer-overflow in OpenSC's key generation function allows attackers to cause crashes or potentially execute arbitrary 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-2023-1169?

OSV-2023-1169 is a memory corruption vulnerability in opensc, published on 16 Nov 2023.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64215

Crash type: Heap-buffer-overflow READ {*}
Crash state:
epassNUMBER_pkcs15_generate_key
sc_pkcs15init_generate_key
do_generate_key

Which versions are affected by OSV-2023-1169?

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

PackageAffectedFixed in
opensc OSS-FuzzAll versionsNone

How do I fix OSV-2023-1169?

No fix has been published for OSV-2023-1169 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-2023-1169 being exploited?

There is no known exploitation of OSV-2023-1169 in the wild and no public exploit code.

Sources

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