# CVE-2019-5036: Denial of service in Nest Labs

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

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Aug 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-mw53-8qf5-qwp2

## 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 (Origin Validation Error), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2019-5036?

It affects 1 product.


Products: 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.

## Is CVE-2019-5036 being exploited?

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

## Other vulnerabilities in Nest Labs

- [CVE-2019-5035](https://insights.sbomify.com/CVE-2019-5035/): Information disclosure in Nest Labs (critical 9.0)
- [CVE-2019-5040](https://insights.sbomify.com/CVE-2019-5040/): Integer overflow in Nest Labs (high 8.2)
- [CVE-2019-5037](https://insights.sbomify.com/CVE-2019-5037/): Integer overflow in Nest Labs (high 7.5)
- [CVE-2019-5043](https://insights.sbomify.com/CVE-2019-5043/): Denial of service in Nest Labs (medium 5.3)
- [CVE-2019-5034](https://insights.sbomify.com/CVE-2019-5034/): Information disclosure in Nest Labs (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-5036 and fix it if it is affected.

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

Affected product: Nest Labs. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2019-5036/ (Markdown: https://insights.sbomify.com/CVE-2019-5036/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-5036
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-5036
- OSV: https://osv.dev/vulnerability/CVE-2019-5036

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-5036/
Summaries are generated and may contain mistakes; the official description above is the record.