wnpa-sec-2021-16 · Gryphon dissector crash

Summary

Name: Gryphon dissector crash

Docid: wnpa-sec-2021-16

Date: December 29, 2021

Affected versions: 3.4.0 to 3.4.10

Fixed versions: 3.6.0, 3.4.11

References:
Wireshark issue 17737
CVE-2021-4186

Details

Description

The Gryphon dissector could crash.

Impact

It may be possible to make Wireshark crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 3.6.0, 3.4.11 or later.