OSV-2021-1546 Heap-buffer-overflow in pn_buffer_append

Not scored Published

A heap-buffer-overflow in the Proton AMQP library 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-2021-1546?

OSV-2021-1546 is a memory corruption vulnerability in qpid-proton, published on 7 Nov 2021.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40748

Crash type: Heap-buffer-overflow READ {*}
Crash state:
pn_buffer_append
pni_data_intern_node
pni_decoder_decode_value

Which versions are affected by OSV-2021-1546?

1 open source package ship an affected version, including qpid-proton.

PackageAffectedFixed in
qpid-proton OSS-FuzzAll versionsNone

How do I fix OSV-2021-1546?

No fix has been published for OSV-2021-1546 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-2021-1546 being exploited?

There is no known exploitation of OSV-2021-1546 in the wild and no public exploit code.

Sources

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