CVE-2019-6241 Denial of service in n/a

High 7.5 Published Updated

An attacker can cause a Denial of Service against the Bevywise MQTTRoute broker by sending a connect packet with a malformed unsubscribe request.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-6241?

CVE-2019-6241 is a high-severity denial of service vulnerability in n/a, published on 10 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Bevywise MQTTRoute 1.1 build 1018-002, a connect packet combined with a malformed unsubscribe request packet can be used to cause a Denial of Service attack against the broker.

Which versions are affected by CVE-2019-6241?

It affects 1 product.

Products include Bevywise Mqttroute.

How do I fix CVE-2019-6241?

No fix has been published for CVE-2019-6241 yet. Limit exposure of the affected software until one is available.

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-2019-6241 being exploited?

There is no known exploitation of CVE-2019-6241 in the wild and no public exploit code.

Sources

Also known as GHSA-3wg9-ch55-29w5.

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