wnpa-sec-2018-21 · TCP dissector crash

Summary

Name: TCP dissector crash

Docid: wnpa-sec-2018-21

Date: April 3, 2018

Affected versions: 2.4.0 to 2.4.5

Fixed versions: 2.4.6

References:
Wireshark issue 14472

Details

Description

The TCP dissector could crash. Discovered by Otto Airamo and Antti Levomäki, Forcepoint.

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 2.4.6 or later.