# CVE-2017-2787: Memory corruption in PopUp Printer Client

> A heap-based buffer overflow in the Pharos PopUp Printer Client allows remote attackers to execute arbitrary code with root privileges without user interaction.

- **Severity:** Critical 9.0 (`CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/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:** 10 Mar 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-pc9m-w56r-7mcw

## What is CVE-2017-2787?

CVE-2017-2787 is a critical memory corruption 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 buffer overflows 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 a heap based buffer overflow resulting in potential remote code execution. This client is always listening, has root privileges, and requires no user interaction to exploit.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2017-2787?

It affects 1 product.


Products: Pharos Popup.

## How do I fix CVE-2017-2787?

No fix has been published for CVE-2017-2787 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-2787 being exploited?

There is no known exploitation of CVE-2017-2787 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-2017-2786](https://insights.sbomify.com/CVE-2017-2786/): Denial of service in PopUp Printer Client (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-2787 and fix it if it is affected.

What it is: CVE-2017-2787 is a critical memory corruption 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-2017-2787 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-2017-2787/ (Markdown: https://insights.sbomify.com/CVE-2017-2787/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-2787
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-2787
- OSV: https://osv.dev/vulnerability/CVE-2017-2787

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-2787/
Summaries are generated and may contain mistakes; the official description above is the record.