wnpa-sec-2021-18 · BitTorrent DHT dissector infinite loop
Summary
Name: BitTorrent DHT dissector infinite loop
Docid: wnpa-sec-2021-18
Date: December 29, 2021
Affected versions: 3.6.0, 3.4.0 to 3.4.10
Fixed versions: 3.6.1, 3.4.11
References:
Wireshark issue 17754.
CVE-2021-4184.
Details
Description
The BitTorrent DHT dissector could go into an infinite loop.
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, 3.4.11 or later.