CVE-2022-4344 Denial of service in Wireshark
Attackers can cause denial of service in Wireshark via memory exhaustion using crafted packets or capture files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-4344?
CVE-2022-4344 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 11 Jan 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Memory exhaustion in the Kafka protocol dissector in Wireshark 4.0.0 to 4.0.1 and 3.6.0 to 3.6.9 allows denial of service via packet injection or crafted capture file
Weakness: CWE-400
Which versions are affected by CVE-2022-4344?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2022-4344?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-4344 being exploited?
There is no known exploitation of CVE-2022-4344 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as AZL-12994, DEBIAN-CVE-2022-4344, GHSA-6q39-qvw3-75jq, UBUNTU-CVE-2022-4344.