CVE-2020-13410 Improper exception handling in Aedes

High 7.5 Published Updated

An attacker can cause a denial of service in the Aedes MQTT broker by sending an invalid packet that triggers an unhandled exception during stream writing.

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

What is CVE-2020-13410?

CVE-2020-13410 is a high-severity denial of service vulnerability in n/a, published on 26 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in MoscaJS Aedes 0.42.0. lib/write.js does not properly consider exceptions during the writing of an invalid packet to a stream.

Weakness: CWE-755

Which versions are affected by CVE-2020-13410?

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

PackageAffectedFixed in
aedes npmAll versions0.42.1
aedes npmAll versions0.42.1

Products include Aedes Project Aedes.

How do I fix CVE-2020-13410?

Upgrade aedes to 0.42.1 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-2020-13410 being exploited?

There is no known exploitation of CVE-2020-13410 in the wild and no public exploit code.

Sources

Also known as GHSA-gh78-48h3-frjq.

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