Headline
CVE-2021-4184: Wireshark · wnpa-sec-2021-18 · BitTorrent DHT dissector infinite loop
Infinite loop in the BitTorrent DHT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
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.
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