OSV-2023-1126 Heap-buffer-overflow in iasecc_parse_acls

Not scored Published

A heap-buffer-overflow in OpenSC's iasecc_parse_acls function 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-2023-1126?

OSV-2023-1126 is a memory corruption vulnerability in opensc, published on 8 Nov 2023.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63949

Crash type: Heap-buffer-overflow READ 1
Crash state:
iasecc_parse_acls
iasecc_parse_docp
iasecc_sdo_parse_data

Which versions are affected by OSV-2023-1126?

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

PackageAffectedFixed in
opensc OSS-FuzzAll versionsNone

How do I fix OSV-2023-1126?

No fix has been published for OSV-2023-1126 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-2023-1126 being exploited?

There is no known exploitation of OSV-2023-1126 in the wild and no public exploit code.

Sources

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