wnpa-sec-2020-14 · FBZERO dissector crash
Summary
Name: FBZERO dissector crash
Docid: wnpa-sec-2020-14
Date: October 29, 2020
Affected versions: 3.2.0 to 3.2.8
Fixed versions: 3.4.0, 3.2.8
References:
Wireshark issue 16887.
CVE-2020-26575.
Details
Description
The FBZERO protocol dissector could crash.
Impact
It may be possible to make Wireshark consume excessive CPU resources by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.
Resolution
Upgrade to Wireshark 3.4.0, 3.2.8 or later.