OSV-2022-1201 Stack-buffer-overflow in msc_zero_object

Not scored Published

A stack buffer overflow in the Muscle library allows attackers to execute arbitrary code or cause denial of service 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-2022-1201?

OSV-2022-1201 is a memory corruption vulnerability in opensc, published on 24 Nov 2022.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53631

Crash type: Stack-buffer-overflow WRITE {*}
Crash state:
msc_zero_object
msc_create_object
muscle_create_directory

Which versions are affected by OSV-2022-1201?

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

PackageAffectedFixed in
opensc OSS-FuzzAll versionsNone

How do I fix OSV-2022-1201?

No fix has been published for OSV-2022-1201 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-2022-1201 being exploited?

There is no known exploitation of OSV-2022-1201 in the wild and no public exploit code.

Sources

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