CVE-2018-16057 Denial of service in n/a

High 7.5 Published Updated

A flaw in the Radiotap dissector allows attackers to crash Wireshark by sending malformed packets, requiring users to upgrade to patched versions.

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

What is CVE-2018-16057?

CVE-2018-16057 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 30 Aug 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Wireshark 2.6.0 to 2.6.2, 2.4.0 to 2.4.8, and 2.2.0 to 2.2.16, the Radiotap dissector could crash. This was addressed in epan/dissectors/packet-ieee80211-radiotap-iter.c by validating iterator operations.

Which versions are affected by CVE-2018-16057?

It affects 2 products.

Products include Debian Debian Linux, Wireshark Wireshark.

How do I fix CVE-2018-16057?

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-2018-16057 being exploited?

There is no known exploitation of CVE-2018-16057 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-16057, GHSA-984q-rhfc-9www, UBUNTU-CVE-2018-16057.

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