# Task 5 - Command Injection Practical

## Task 5 <mark style="color:blue;background-color:blue;">\[Severity 1]</mark> Command Injection Practical

### What strange text file is in the website root directory?

<details>

<summary>Reveal Flag <span data-gb-custom-inline data-tag="emoji" data-code="1f6a9">🚩</span></summary>

:triangular\_flag\_on\_post:`drpepper.txt`

</details>

### How many non-root/non-service/non-daemon users are there?

<details>

<summary>Reveal Flag <span data-gb-custom-inline data-tag="emoji" data-code="1f6a9">🚩</span></summary>

:triangular\_flag\_on\_post:`0`

</details>

### What user is this app running as?

<details>

<summary>Reveal Flag <span data-gb-custom-inline data-tag="emoji" data-code="1f6a9">🚩</span></summary>

:triangular\_flag\_on\_post:`www-data`

</details>

### What is the user's shell set as?

<details>

<summary>Reveal Flag <span data-gb-custom-inline data-tag="emoji" data-code="1f6a9">🚩</span></summary>

:triangular\_flag\_on\_post:`/usr/sbin/nologin`

</details>

### What version of Ubuntu is running?

<details>

<summary>Reveal Flag <span data-gb-custom-inline data-tag="emoji" data-code="1f6a9">🚩</span></summary>

:triangular\_flag\_on\_post:`18.04.4`

</details>

### Print out the MOTD.  What favorite beverage is shown?

{% hint style="warning" %}
**HINT:** 00-header
{% endhint %}

<details>

<summary>Reveal Flag <span data-gb-custom-inline data-tag="emoji" data-code="1f6a9">🚩</span></summary>

:triangular\_flag\_on\_post:`Dr Pepper`

</details>

##


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://thmflags.gitbook.io/thm-walkthroughs/difficulty-easy/owasp-top-10/task-5-command-injection-practical.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
