CVE-2022-4345 Denial of service in Wireshark
Attackers can cause denial of service in Wireshark via infinite loops in BPv6, OpenFlow, and Kafka dissectors using crafted packets or 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-2022-4345?
CVE-2022-4345 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 12 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
Infinite loops in the BPv6, OpenFlow, and Kafka protocol dissectors 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-835
Which versions are affected by CVE-2022-4345?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2022-4345?
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-2022-4345 being exploited?
There is no known exploitation of CVE-2022-4345 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2022-4345, GHSA-mp4c-w7j9-95f4, UBUNTU-CVE-2022-4345.