# CVE-2017-2786: Denial of service in PopUp Printer Client

> A specially crafted packet can cause an out-of-bounds read and crash in the Pharos PopUp printer client, leading to denial of service.

- **Severity:** Medium 5.3 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Mar 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-mfjj-r36m-gvrp

## What is CVE-2017-2786?

CVE-2017-2786 is a medium-severity denial of service vulnerability in Pharos PopUp Printer Client, published on 10 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A denial of service vulnerability exists in the psnotifyd application of the Pharos PopUp printer client version 9.0. A specially crafted packet can be sent to the victim's computer and can lead to an out of bounds read causing a crash and a denial of service.

Weakness: CWE-125 (Out-of-bounds Read)

## Which versions are affected by CVE-2017-2786?

It affects 1 product.


Products: Pharos Popup.

## How do I fix CVE-2017-2786?

No fix has been published for CVE-2017-2786 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-2786 being exploited?

There is no known exploitation of CVE-2017-2786 in the wild and no public exploit code.

## Other vulnerabilities in Pharos PopUp Printer Client

- [CVE-2017-2785](https://insights.sbomify.com/CVE-2017-2785/): Memory corruption in PopUp Printer Client (critical 10.0)
- [CVE-2017-2788](https://insights.sbomify.com/CVE-2017-2788/): Memory corruption in PopUp Printer Client (critical 10.0)
- [CVE-2017-2787](https://insights.sbomify.com/CVE-2017-2787/): Memory corruption in PopUp Printer Client (critical 9.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-2786 and fix it if it is affected.

What it is: CVE-2017-2786 is a medium-severity denial of service vulnerability in Pharos PopUp Printer Client, published on 10 Mar 2017. 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-2017-2786 in the wild and no public exploit code.

Affected product: Pharos PopUp Printer Client. 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-2017-2786/ (Markdown: https://insights.sbomify.com/CVE-2017-2786/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-2786
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-2786
- OSV: https://osv.dev/vulnerability/CVE-2017-2786

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-2786/
Summaries are generated and may contain mistakes; the official description above is the record.