wnpa-sec-2021-22 · Kafka dissector infinite loop

Summary

Name: Kafka dissector infinite loop

Docid: wnpa-sec-2021-22

Date: December 29, 2021

Affected versions: 3.6.0, 3.4.0 to 3.4.11

Fixed versions: 3.6.1, 3.4.12

References:
Wireshark issue 17811
CVE-2021-4190

Details

Description

The Kafka protocol dissector could go into an infinite loop. Discovered by Sharon Brizinov.

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 3.6.1, 3.4.12 or later.