CVE-2019-5036 Denial of service in Nest Labs

High 7.5 Published Updated

An attacker can cause a denial of service on Nest Cam IQ Indoor devices by sending specially crafted Weave packets that close arbitrary sessions.

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-2019-5036?

CVE-2019-5036 is a high-severity denial of service vulnerability in Nest Labs, published on 20 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An exploitable denial-of-service vulnerability exists in the Weave error reporting functionality of the Nest Cam IQ Indoor, version 4620002. A specially crafted weave packets can cause an arbitrary Weave Exchange Session to close, resulting in a denial of service. An attacker can send a specially crafted packet to trigger this vulnerability.

Weakness: CWE-346, CWE-284

Which versions are affected by CVE-2019-5036?

It affects 1 product.

Products include Google Nest Cam Iq Indoor Firmware.

How do I fix CVE-2019-5036?

No fix has been published for CVE-2019-5036 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-2019-5036 being exploited?

There is no known exploitation of CVE-2019-5036 in the wild and no public exploit code.

Sources

Also known as GHSA-mw53-8qf5-qwp2.

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