OSV-2022-1111 Heap-buffer-overflow in expert_set_info_vformat

Not scored Published

A heap buffer overflow in the RPCAP dissector allows attackers to cause denial of service or potentially execute code via crafted packets.

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

What is OSV-2022-1111?

OSV-2022-1111 is a memory corruption vulnerability in wireshark, published on 29 Oct 2022.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52814

Crash type: Heap-buffer-overflow READ {*}
Crash state:
expert_set_info_vformat
expert_add_info_format
dissect_rpcap

Which versions are affected by OSV-2022-1111?

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

PackageAffectedFixed in
wireshark OSS-FuzzAll versionsNone

How do I fix OSV-2022-1111?

No fix has been published for OSV-2022-1111 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-2022-1111 being exploited?

There is no known exploitation of OSV-2022-1111 in the wild and no public exploit code.

Sources

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