CVE-2021-22174 Denial of service in Wireshark

Low 3.7 Published Updated

A crash in the USB HID dissector allows attackers to cause a denial of service via crafted packets or capture files.

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

What is CVE-2021-22174?

CVE-2021-22174 is a low-severity denial of service vulnerability in Fedoraproject Fedora, published on 17 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Crash in USB HID dissector in Wireshark 3.4.0 to 3.4.2 allows denial of service via packet injection or crafted capture file

Weakness: CWE-770

Which versions are affected by CVE-2021-22174?

It affects 3 products.

Products include Fedoraproject Fedora, Oracle Zfs Storage Appliance, Wireshark Wireshark.

How do I fix CVE-2021-22174?

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-2021-22174 being exploited?

There is no known exploitation of CVE-2021-22174 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-22174, GHSA-m8vf-6qcv-248x, UBUNTU-CVE-2021-22174.

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