OSV-2017-144 Global-buffer-overflow in csnStreamDissector

Not scored Published

A global buffer overflow in the CSN stream dissector can cause a crash, potentially leading to denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Not stated
Victim action needed
Not needed
Fix
None listed

What is OSV-2017-144?

OSV-2017-144 is a memory corruption vulnerability in wireshark, published on 15 Jan 2021.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1436

Crash type: Global-buffer-overflow READ 2
Crash state:
csnStreamDissector
csnStreamDissector
csnStreamDissector

Which versions are affected by OSV-2017-144?

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

PackageAffectedFixed in
wireshark OSS-FuzzAll versionsNone

How do I fix OSV-2017-144?

No fix has been published for OSV-2017-144 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-2017-144 being exploited?

There is no known exploitation of OSV-2017-144 in the wild and no public exploit code.

Sources

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