CVE-2017-11411 Denial of service in n/a

High 7.5 Published Updated

A flaw in the openSAFETY dissector allows attackers to crash Wireshark or exhaust system memory via crafted packets.

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

What is CVE-2017-11411?

CVE-2017-11411 is a high-severity denial of service vulnerability in Wireshark Wireshark, published on 18 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Wireshark through 2.0.13 and 2.2.x through 2.2.7, the openSAFETY dissector could crash or exhaust system memory. This was addressed in epan/dissectors/packet-opensafety.c by adding length validation. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-9350.

Weakness: CWE-20

Which versions are affected by CVE-2017-11411?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2017-11411?

Apply the vendor's patch.

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-2017-11411 being exploited?

There is no known exploitation of CVE-2017-11411 in the wild and no public exploit code.

All Wireshark Wireshark vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-11411, GHSA-3g9v-2x9v-4j4g, UBUNTU-CVE-2017-11411.

Is CVE-2017-11411 in your software?

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

Check your SBOMs for free