Bug 2039009 (CVE-2021-4184, wnpa-sec-2021-18) - CVE-2021-4184 wireshark: BitTorrent DHT dissector infinite loop
Summary: CVE-2021-4184 wireshark: BitTorrent DHT dissector infinite loop
Keywords:
Status: NEW
Alias: CVE-2021-4184, wnpa-sec-2021-18
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2039010 2039200
Blocks: 2039018
TreeView+ depends on / blocked
 
Reported: 2022-01-10 17:56 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-01-11 15:57 UTC (History)
9 users (show)

Fixed In Version: wireshark 3.6.1, wireshark 3.4.11
Doc Type: If docs needed, set a value
Doc Text:
An infinite-loop flaw was found in Wireshark's DHT dissector module. This flaw allows an attacker with local network access to pass specially crafted capture files, causing an application to halt, crash or go into an infinite loop.
Clone Of:
Environment:
Last Closed:


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Description Guilherme de Almeida Suckevicz 2022-01-10 17:56:37 UTC
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.

Reference:
https://www.wireshark.org/security/wnpa-sec-2021-18.html

Comment 1 Guilherme de Almeida Suckevicz 2022-01-10 17:57:14 UTC
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 2039010]


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