CVE-2016-4420 Denial of service in n/a
Remote attackers can crash Wireshark by sending a crafted packet, requiring users to upgrade to a patched version.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4420?
CVE-2016-4420 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 1 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The NFS dissector in Wireshark 2.x before 2.0.2 allows remote attackers to cause a denial of service (application crash) via a crafted packet.
Weakness: CWE-20
Which versions are affected by CVE-2016-4420?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2016-4420?
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-2016-4420 being exploited?
There is no known exploitation of CVE-2016-4420 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2016-4420, GHSA-rqgq-4hxw-52qf.