February 18, 2020 - Today, let’s discuss one of them, a vulnerability found in Flask applications that can lead to Remote Code Execution (RCE).

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This repository contains a Python script that exploits authentication bypass and remote code execution (RCE) vulnerabilities in a Flask web application. The goal is to demonstrate how these vulnerabilities can be used for a reverse shell attack.

December 2, 2024 - Learn how to exploit Flask authentication and remote code execution (RCE) vulnerabilities in the Chain Lab challenge on CyberExam. This step-by-step writeup demonstrates bypassing Flask session authentication, uploading a reverse shell payload, and gaining full control over the system.

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September 22, 2023 - There may be comments in the HTML source code that provide hints for exploitation.

This affects the package Flask-Unchained prior to 0.9.0. When using the the _validate_redirect_url function, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as \\\evil.com/path.

A simple vulnerable Flask application. This can be used to test out and learn exploitation of common web application vulnerabilities.

12 hours ago - Command line tool to fetch, decode, brute-force and craft session cookies of a Flask application by guessing secret keys.

January 31, 2024 - Cisa KevThis CVE is not part of the CISA Known Exploited Vulnerabilities Catalog · No · Exploitable with Sniper · No · CVE Published · Jan 8, 2024 · Detection added atThe date when the detection was added to Pentest-Tools.com · Jan 31, 2024 · Software Type ·

1 day ago - Upon collating all necessary data, the exploit script can be executed to generate the Werkzeug console PIN. The script uses the assembled probably_public_bits and private_bits to create a hash, which then undergoes further processing to produce ...

Security vulnerabilities and package health score for pip package flask

It is a vulnerable Flask Web App.

As each of the classes know about their Parent, we can traverse back up the class higerachy untill we reach the root of the tree. This gives us a starting point of the common (builtin) functions that we can use to exploit the system. In a Flask based system there are several classes that are ...

December 30, 2024 - If the csrf_token is missing or not validated, you can exploit this vulnerability to perform actions on behalf of users. Test file upload endpoints by uploading malicious files (e.g., .php or .exe) and see if they are executed or accessible. ... Check the requirements.txt or Pipfile for outdated or vulnerable dependencies. Tools like pip-audit can flag insecure libraries. Unpinned dependencies (e.g., Flask...

August 5, 2022 - In Flask, set cookies on the response object. Use the make_response() function to get the response object from the return value of the view function. After that, they are stored using the set_cookie() function of the response object.

A simple RCE Pickle PoC with a vulnerable Flask App · In Python, the pickle module lets you serialize and deserialize data. Essentially, this means that you can convert a Python object into a stream of bytes and then reconstruct it (including the object’s internal structure) later in a different process or environment by loading that stream of bytes (for further info checkout this: https://davidhamann.de/2020/04/05/exploiting-python-pickle/

December 13, 2021 - Apart from doing penetration tests manually, you can also use tools to help with the testing. Some of the tools that can be used to pen test Flask applications are w3af, Flask Unsign, Zed Attack Proxy (ZAP), etc.