CVE-2017-9343 Null dereference in n/a

High 7.5 Published Updated

A NULL pointer dereference in the MSNIP dissector allows attackers to cause a denial of service in Wireshark.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-9343?

CVE-2017-9343 is a high-severity vulnerability in Wireshark Wireshark, published on 2 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the MSNIP dissector misuses a NULL pointer. This was addressed in epan/dissectors/packet-msnip.c by validating an IPv4 address.

Weakness: CWE-476

Which versions are affected by CVE-2017-9343?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2017-9343?

Upgrade to a fixed version.

Is CVE-2017-9343 being exploited?

There is no known exploitation of CVE-2017-9343 in the wild and no public exploit code.

All Wireshark Wireshark vulnerabilities

Sources

Also known as ALPINE-CVE-2017-9343, DEBIAN-CVE-2017-9343, GHSA-r2vg-v698-w4gv, UBUNTU-CVE-2017-9343.

Is CVE-2017-9343 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free