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

# Referências diretas inseguras a objetos

Notas sobre referências diretas inseguras a objetos para os laboratórios do PortSwigger Web Security Academy, incluindo fluxo de exploração, teste de payload, validação no Burp Suite e contexto de remediação.

### Referências Inseguras a Objetos Diretos

**Objetivo do laboratório:** Os logs de chat do usuário são armazenados diretamente no sistema de arquivos do servidor e recuperados por meio de URLs estáticas. O objetivo é descobrir a senha do usuário **carlos** e então fazer login na conta dele.

<figure><img src="https://783634792-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>

Um recurso de e-mail é observado com uma opção para baixar a transcrição do chat por meio de uma **GET** solicitação.

<figure><img src="https://783634792-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>

A URL é a seguinte:

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

Simplesmente alterando o identificador do arquivo na URL, é possível acessar transcrições de outros usuários sem nenhuma proteção. Por exemplo:

<figure><img src="https://783634792-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>

Este arquivo exibe o conteúdo de uma conversa contendo **a senha do carlos**.


---

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