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

# Nibbles

> Verified writeups for the Nibbles machine of Hack The Box

# Nibbles

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> Nibbleblog file upload RCE → sudo monitor.sh</p>

<div className="machine-meta">
  | ·                | ·                                                                                                            |
  | ---------------- | ------------------------------------------------------------------------------------------------------------ |
  | Operating system | Linux                                                                                                        |
  | Difficulty       | Easy                                                                                                         |
  | Vector           | <span className="vbadge vbadge-web">Web</span>                                                               |
  | IP               | `10.10.10.75`                                                                                                |
  | Retirement date  | 2018-06-30                                                                                                   |
  | Skills           | Abusing Nibbleblog - Remote Code Execution via File Upload Abusing Sudoers Privilege \[Privilege Escalation] |
</div>

## Writeups

| Language | Author                   | Format | Link                                                       |
| -------- | ------------------------ | ------ | ---------------------------------------------------------- |
| 🇪🇸 ES  | **S4vitar**              | Vídeo  | [Open](https://www.youtube.com/watch?v=vAhrLjw1JEA)        |
| 🇪🇸 ES  | **El Pingüino de Mario** | Vídeo  | [Open](https://www.youtube.com/watch?v=dMxDLZ7zyew)        |
| 🇬🇧 EN  | **0xdf**                 | Texto  | [Open](https://0xdf.gitlab.io/2018/06/30/htb-nibbles.html) |
| 🇬🇧 EN  | **IppSec**               | Vídeo  | [Open](https://www.youtube.com/watch?v=s_0GcRGv6Ds)        |

## Skill resources

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

| Skill                       | Source      | Link                                                                          |
| --------------------------- | ----------- | ----------------------------------------------------------------------------- |
| Remote Code Execution (RCE) | HackTricks  | [Open](https://book.hacktricks.wiki/en/pentesting-web/command-injection.html) |
| File Upload Vulnerabilities | PortSwigger | [Open](https://portswigger.net/web-security/file-upload)                      |

## Related skills worth mastering

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

## If you liked this machine, try

* [Knife](/en/htb/machines/linux/facil/knife) — Linux, Easy
* [SwagShop](/en/htb/machines/linux/facil/swagshop) — Linux, Easy
* [Chaos](/en/htb/machines/linux/medio/chaos) — Linux, Medium
* [Meta](/en/htb/machines/linux/medio/meta) — Linux, Medium
* [Shibboleth](/en/htb/machines/linux/medio/shibboleth) — Linux, Medium

***

## 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:nibbles" data-giscus-lang="en" />

*Last updated: 2026-06-07*

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