wnpa-sec-2018-19 · VLAN dissector crash

Summary

Name: VLAN dissector crash

Docid: wnpa-sec-2018-19

Date: April 3, 2018

Affected versions: 2.4.0 to 2.4.5, 2.2.0 to 2.2.13

Fixed versions: 2.4.6, 2.2.14

References:
Wireshark issue 14469

Details

Description

The VLAN 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, 2.2.14 or later.