CVE-2022-41777 nadesiko3 allows remote attacker to inject invalid value to decodeURIComponent of nako3edit

High 7.5 Published Updated

A remote attacker can crash the Nako3edit server by injecting invalid values into decodeURIComponent, affecting the Nadesiko3 PC editor.

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

What is CVE-2022-41777?

CVE-2022-41777 is a high-severity denial of service vulnerability in kujirahand Nako3edit, editor component of nadesiko3 (PC Version), published on 5 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper check or handling of exceptional conditions vulnerability in Nako3edit, editor component of nadesiko3 (PC Version) v3.3.74 and earlier allows a remote attacker to inject an invalid value to decodeURIComponent of nako3edit, which may lead the server to crash.

Weakness: CWE-703

Which versions are affected by CVE-2022-41777?

2 open source packages ship an affected version, including nadesiko3. It affects 1 product.

PackageAffectedFixed in
nadesiko3 npmAll versions3.3.75
nadesiko3 npmAll versions3.3.75

Products include Kujirahand Nadesiko3.

How do I fix CVE-2022-41777?

Upgrade nadesiko3 to 3.3.75 or later.

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-2022-41777 being exploited?

There is no known exploitation of CVE-2022-41777 in the wild and no public exploit code.

Sources

Also known as GHSA-x2jx-w3wm-9p3p.

Is CVE-2022-41777 in your software?

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

Check your SBOMs for free