# CVE-2023-34207: Unrestricted Upload of File with Dangerous Type in EasyUse MailHunter Ultimate

> Authenticated attackers can upload malicious ZIP archives to execute arbitrary system commands with SYSTEM privileges in MailHunter Ultimate.

- **Severity:** Critical 9.9 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Oct 2023
- **Updated:** 13 Sep 2024
- **Also known as:** GHSA-f5qf-87r9-8v7q

## What is CVE-2023-34207?

CVE-2023-34207 is a critical vulnerability in EasyUse Digital Technology MailHunter Ultimate, published on 17 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Unrestricted upload of file with dangerous type vulnerability in create template function in EasyUse MailHunter Ultimate 2023 and earlier allows remote authenticated users to perform arbitrary system commands with ‘NT Authority\SYSTEM‘ privilege via a crafted ZIP archive.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2023-34207?

It affects 1 product.


Products: Easyuse Mailhunter Ultimate.

## How do I fix CVE-2023-34207?

No fix has been published for CVE-2023-34207 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-34207 being exploited?

There is no known exploitation of CVE-2023-34207 in the wild and no public exploit code.

## Other vulnerabilities in EasyUse Digital Technology MailHunter Ultimate

- [CVE-2022-35223](https://insights.sbomify.com/CVE-2022-35223/): EasyUse MailHunter Ultimate - Deserialization of Untrusted Data (critical 9.8)
- [CVE-2023-34210](https://insights.sbomify.com/CVE-2023-34210/): SQL Injection in EasyUse MailHunter Ultimate (high 7.7)
- [CVE-2023-34208](https://insights.sbomify.com/CVE-2023-34208/): Path Traversal in EasyUse MailHunter Ultimate (medium 6.5)
- [CVE-2023-34209](https://insights.sbomify.com/CVE-2023-34209/): Exposure of Sensitive System Information to an Unauthorized Control Sphere in EasyUse MailHunter Ultimate (medium 5.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-34207 and fix it if it is affected.

What it is: CVE-2023-34207 is a critical vulnerability in EasyUse Digital Technology MailHunter Ultimate, published on 17 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-34207 in the wild and no public exploit code.

Affected product: EasyUse Digital Technology MailHunter Ultimate. 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-2023-34207/ (Markdown: https://insights.sbomify.com/CVE-2023-34207/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-34207
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-34207
- OSV: https://osv.dev/vulnerability/CVE-2023-34207

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-34207/
Summaries are generated and may contain mistakes; the official description above is the record.