# CVE-2017-16249: Denial of service in n/a

> A remote attacker can cause a denial of service in the Debut embedded HTTP server by sending a malformed POST request, blocking network print jobs and web access.

- **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:** 9 Nov 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-2v7v-jr6q-q2jg

## What is CVE-2017-16249?

CVE-2017-16249 is a high-severity denial of service vulnerability in n/a, published on 9 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Debut embedded http server contains a remotely exploitable denial of service where a single malformed HTTP POST request can cause the server to hang until eventually replying (~300 seconds) with an HTTP 500 error. While the server is hung, print jobs over the network are blocked and the web interface is inaccessible. An attacker can continuously send this malformed request to keep the device inaccessible to legitimate traffic.

## Which versions are affected by CVE-2017-16249?

It affects 1 product.


Products: Brother Dcp-J132w Firmware.

## How do I fix CVE-2017-16249?

No fix has been published for CVE-2017-16249 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-16249 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-16249 exists.

Public exploit code:

- Debut Embedded HTTPd 1.20 - Denial of Service (exploitdb)
- Brother Debut http Denial Of Service (metasploit)

## Other vulnerabilities in n/a

- [CVE-2017-12568](https://insights.sbomify.com/CVE-2017-12568/): Denial of service in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-16249 and fix it if it is affected.

What it is: CVE-2017-16249 is a high-severity denial of service vulnerability in n/a, published on 9 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-16249 exists.

Affected product: n/a. 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-2017-16249/ (Markdown: https://insights.sbomify.com/CVE-2017-16249/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-16249
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-16249
- OSV: https://osv.dev/vulnerability/CVE-2017-16249

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-16249/
Summaries are generated and may contain mistakes; the official description above is the record.