OSV-2022-1084 Stack-buffer-overflow in authentic_parse_size

Not scored Published

A stack buffer overflow in the authentication parsing logic allows attackers to cause denial of service 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-2022-1084?

OSV-2022-1084 is a memory corruption vulnerability in opensc, published on 24 Oct 2022.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52662

Crash type: Stack-buffer-overflow READ 1
Crash state:
authentic_parse_size
authentic_get_tagged_data
authentic_parse_credential_data

Which versions are affected by OSV-2022-1084?

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

PackageAffectedFixed in
opensc OSS-FuzzAll versionsNone

How do I fix OSV-2022-1084?

No fix has been published for OSV-2022-1084 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-2022-1084 being exploited?

There is no known exploitation of OSV-2022-1084 in the wild and no public exploit code.

Sources

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