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

# Blunder

> Verified writeups for the Blunder machine of Hack The Box

# Blunder

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> Bludit CMS bypass + .htaccess upload → sudo CVE-2019-14287</p>

<div className="cve-row"><span className="cve-row-label">CVE / Bulletins:</span> <a className="cve-chip" href="https://nvd.nist.gov/vuln/detail/CVE-2019-14287" target="_blank" rel="noopener">CVE-2019-14287 ↗</a></div>

<div className="machine-meta">
  | ·                | ·                                                                                                                                                                             |
  | ---------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
  | Operating system | Linux                                                                                                                                                                         |
  | Difficulty       | Easy                                                                                                                                                                          |
  | Vector           | <span className="vbadge vbadge-web">Web</span>                                                                                                                                |
  | IP               | `10.10.10.191`                                                                                                                                                                |
  | Retirement date  | 2020-10-17                                                                                                                                                                    |
  | Skills           | Bludit CMS Exploitation Bypassing IP Blocking (X-Forwarded-For Header) Directory Traversal Image File Upload (Playing with .htaccess) Abusing sudo privilege (CVE-2019-14287) |
</div>

## Writeups

| Language | Author      | Format | Link                                                       |
| -------- | ----------- | ------ | ---------------------------------------------------------- |
| 🇪🇸 ES  | **S4vitar** | Vídeo  | [Open](https://www.youtube.com/watch?v=C64POGPpank)        |
| 🇬🇧 EN  | **0xdf**    | Texto  | [Open](https://0xdf.gitlab.io/2020/10/17/htb-blunder.html) |
| 🇬🇧 EN  | **IppSec**  | Vídeo  | [Open](https://www.youtube.com/watch?v=G5iw8c2vXuk)        |

## Skill resources

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

| Skill                       | Source      | Link                                                             |
| --------------------------- | ----------- | ---------------------------------------------------------------- |
| Directory / Path Traversal  | PortSwigger | [Open](https://portswigger.net/web-security/file-path-traversal) |
| File Upload Vulnerabilities | PortSwigger | [Open](https://portswigger.net/web-security/file-upload)         |

## Related skills worth mastering

Local File Inclusion (LFI) · Remote Code Execution (RCE)

## If you liked this machine, try

* [Silo](/en/htb/machines/windows/medio/silo) — Windows, Medium
* [Nibbles](/en/htb/machines/linux/facil/nibbles) — Linux, Easy
* [TheNotebook](/en/htb/machines/linux/medio/thenotebook) — Linux, Medium
* [Timing](/en/htb/machines/linux/medio/timing) — Linux, Medium
* [Arctic](/en/htb/machines/windows/facil/arctic) — Windows, Easy

***

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

*Last updated: 2026-06-07*

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