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

# Feline

> Writeups verificados de la máquina Feline de Hack The Box

# Feline

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> Tomcat ysoserial deser → SaltStack CVE-2020-1651 → docker.sock</p>

<div className="cve-row"><span className="cve-row-label">CVE / Boletines:</span> <a className="cve-chip" href="https://nvd.nist.gov/vuln/detail/CVE-2020-9484" target="_blank" rel="noopener">CVE-2020-9484 ↗</a> <a className="cve-chip" href="https://nvd.nist.gov/vuln/detail/CVE-2020-1651" target="_blank" rel="noopener">CVE-2020-1651 ↗</a></div>

<div className="machine-meta">
  | ·                 | ·                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
  | ----------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
  | Sistema operativo | Linux                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
  | Dificultad        | Difícil                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
  | Vector            | <span className="vbadge vbadge-web">Web</span>                                                                                                                                                                                                                                                                                                                                                                                                                          |
  | IP                | `10.10.10.205`                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
  | Fecha de retirada | 2021-02-20                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
  | Skills            | Information leakage in error message RCE by deserialization in Apache Tomcat with PersistentManager - CVE-2020-9484 \[RCE] Playing with Ysoserial - CommonsCollections2 Manipulating our session cookie (JSESSIONID) + Directory Path Traversal Playing with chisel \[Socks Proxy + Proxychains (socks5)] SaltStack Exploitation - CVE-2020-1651 Gaining root access to a container Playing with docker.sock file + Abusing Docker API \[Privilege Escalation] PIVOTING |
</div>

## Writeups

| Idioma  | Autor                    | Formato | Enlace                                                     |
| ------- | ------------------------ | ------- | ---------------------------------------------------------- |
| 🇪🇸 ES | **S4vitar**              | Vídeo   | [Abrir](https://www.youtube.com/watch?v=0e91a_Pns2Q)       |
| 🇪🇸 ES | **El Pingüino de Mario** | Vídeo   | [Abrir](https://www.youtube.com/watch?v=DMjiQ2V9Nvs)       |
| 🇬🇧 EN | **0xdf**                 | Texto   | [Abrir](https://0xdf.gitlab.io/2021/02/20/htb-feline.html) |
| 🇬🇧 EN | **IppSec**               | Vídeo   | [Abrir](https://www.youtube.com/watch?v=2QdK7tQUFac)       |

## Recursos por skill

Documentación curada para cada técnica que aparece en la columna *Skills* de arriba. Fuentes: HackTricks, GTFOBins, PortSwigger, etc.

| Skill                       | Fuente      | Enlace                                                                                      |
| --------------------------- | ----------- | ------------------------------------------------------------------------------------------- |
| Information Leakage         | HackTricks  | [Abrir](https://book.hacktricks.wiki/en/pentesting-web/information-leak.html)               |
| Insecure Deserialization    | PortSwigger | [Abrir](https://portswigger.net/web-security/deserialization)                               |
| Directory / Path Traversal  | PortSwigger | [Abrir](https://portswigger.net/web-security/file-path-traversal)                           |
| Port Forwarding / Pivoting  | HackTricks  | [Abrir](https://book.hacktricks.wiki/en/generic-hacking/tunneling-and-port-forwarding.html) |
| Remote Code Execution (RCE) | HackTricks  | [Abrir](https://book.hacktricks.wiki/en/pentesting-web/command-injection.html)              |

## Skills relacionadas que conviene dominar

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

## Si te gustó esta máquina, prueba

* [Talkative](/htb/machines/linux/dificil/talkative) — Linux, Difícil
* [Jewel](/htb/machines/linux/medio/jewel) — Linux, Medio
* [Laboratory](/htb/machines/linux/facil/laboratory) — Linux, Fácil
* [Monitors](/htb/machines/linux/dificil/monitors) — Linux, Difícil
* [Oouch](/htb/machines/linux/dificil/oouch) — Linux, Difícil

***

## Comentarios y truquillos

¿Algo no funcionó del writeup oficial? ¿Has encontrado un truco mejor? Compártelo aquí — los comentarios viven en [GitHub Discussions](https://github.com/FFuson/HTB_Writeups/discussions).

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

*Última actualización: 2026-06-07*

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