> ## Documentation Index
> Fetch the complete documentation index at: https://rootea.es/llms.txt
> Use this file to discover all available pages before exploring further.

# Ellingson

> Verified writeups for the Ellingson machine of Hack The Box

# Ellingson

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> Werkzeug debugger RCE → BOF x64 ROP / ASLR bypass</p>

<div className="machine-meta">
  | ·                | ·                                                                                                                                               |
  | ---------------- | ----------------------------------------------------------------------------------------------------------------------------------------------- |
  | Operating system | Linux                                                                                                                                           |
  | Difficulty       | Hard                                                                                                                                            |
  | Vector           | <span className="vbadge vbadge-binary-exploitation">Binary</span>                                                                               |
  | IP               | `10.10.10.139`                                                                                                                                  |
  | Retirement date  | 2019-10-19                                                                                                                                      |
  | Skills           | Abusing Werkzeug Debugger (RCE) Binary Exploitation Advanced Buffer Overflow x64 - ROP / ASLR Bypass (Leaking Libc Address + Ret2libc + Setuid) |
</div>

## Writeups

| Language | Author      | Format | Link                                                         |
| -------- | ----------- | ------ | ------------------------------------------------------------ |
| 🇪🇸 ES  | **S4vitar** | Vídeo  | [Open](https://www.youtube.com/watch?v=8dLPT-imMYk)          |
| 🇬🇧 EN  | **0xdf**    | Texto  | [Open](https://0xdf.gitlab.io/2019/10/19/htb-ellingson.html) |
| 🇬🇧 EN  | **IppSec**  | Vídeo  | [Open](https://www.youtube.com/watch?v=XVYgBetSvS8)          |

## Skill resources

Curated documentation for each technique listed in the *Skills* column above. Sources: HackTricks, GTFOBins, PortSwigger, etc.

| Skill                       | Source     | Link                                                                                  |
| --------------------------- | ---------- | ------------------------------------------------------------------------------------- |
| Buffer Overflow (BoF / ROP) | HackTricks | [Open](https://book.hacktricks.wiki/en/binary-exploitation/stack-overflow/index.html) |
| SUID binaries               | GTFOBins   | [Open](https://gtfobins.github.io/#+suid)                                             |
| Remote Code Execution (RCE) | HackTricks | [Open](https://book.hacktricks.wiki/en/pentesting-web/command-injection.html)         |

## Related skills worth mastering

Sudo abuse · linPEAS · Local File Inclusion (LFI) · Remote File Inclusion (RFI) · Shellshock (CVE-2014-6271)

## If you liked this machine, try

* [Buff](/en/htb/machines/windows/facil/buff) — Windows, Easy
* [Flujab](/en/htb/machines/linux/dificil/flujab) — Linux, Hard
* [Overflow](/en/htb/machines/linux/dificil/overflow) — Linux, Hard
* [Static](/en/htb/machines/linux/dificil/static) — Linux, Hard
* [Hancliffe](/en/htb/machines/windows/dificil/hancliffe) — Windows, Hard

***

## Comments & tips

Did the official writeup not work? Found a smarter trick? Share it here — comments live in [GitHub Discussions](https://github.com/FFuson/HTB_Writeups/discussions).

<div className="rootea-giscus-wrap" data-giscus-term="machine:ellingson" data-giscus-lang="en" />

*Last updated: 2026-06-07*

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