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.