> 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/de/web/access-control/insecure-direct-references-to-objects.md).

# Unsichere direkte Referenzen auf Objekte

Notizen zu unsicheren direkten Referenzen auf Objekte für die Labs der PortSwigger Web Security Academy, einschließlich Ausnutzungsablauf, Payload-Tests, Burp-Suite-Validierung und Behebungskontext.

### Unsichere direkte Objektverweise

**Ziel des Labors:** Die Chatprotokolle der Benutzer werden direkt im Dateisystem des Servers gespeichert und über statische URLs abgerufen. Das Ziel ist es, das Passwort des Benutzers zu finden **carlos** und sich dann bei seinem Konto anmelden.

<figure><img src="https://2955439919-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-1b0aaf41f74f900b5c8287d94f5a1f988cf46cd8%2Fimage%20(279).png?alt=media" alt="" width="563"><figcaption></figcaption></figure>

Eine E-Mail-Funktion wird beobachtet, mit einer Option, die Chat-Transkription über eine **GET** Anfrage.

<figure><img src="https://2955439919-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-c97bb187a80db0ca44fdd595dfc5cedf092298f9%2Fimage%20(280).png?alt=media" alt=""><figcaption></figcaption></figure>

Die URL lautet wie folgt:

```
/download-transcript/1.txt
```

Durch einfaches Ändern der Datei-ID in der URL ist es möglich, ohne jeglichen Schutz auf Transkripte anderer Benutzer zuzugreifen. Zum Beispiel:

<figure><img src="https://2955439919-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-ec88b2036630f703927a967b48126a15606edfa2%2Fimage%20(281).png?alt=media" alt=""><figcaption></figcaption></figure>

Diese Datei zeigt den Inhalt einer Konversation, die **das Passwort von Carlos**.


---

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