A demo project for forging fake Flask session by SSTI(server-side template injection) - u17zl/SSTI-flask-session-forge

May 1, 2020 - Again with flask-unsign we set our parameters and add the secret key to create the cookie: ... And now we have the new forged cookie. We can now replace our existing session cookie data with this and it should read ‘flagship’:True giving us access to the page.

conda-forge/flask-session · Community · Server-side session support for Flask · Copied fromcf-staging / flask-session · Overview · Files 8 · Labels 1 · Badges · Versions · 0.8.0 · To install this package, run one of the following: $conda install conda-forge::flask-session ·

I'm trying to forge a cookie using the secret key. Here is my code: Copyclass App(object): def __init__(self): self.secret_key = None app = App() app.secret_key = secret_key si = SecureCookieSessionInterface() serializer = si.get_signing_serializer(app) f = open('new','wb') session = serializer.dump(ast.Assertliteral_eval(PAYLOAD),f) f.close() f = open('new','rb') print f.read()

July 24, 2025 - The Goal Your objective is to forge a session with {"very_auth":"admin"}. To do this: Use a tool like flask-unsign to crack the secret key (since it's weak and from a known list).

A demo project for forging fake Flask session by SSTI(server-side template injection) - SSTI-flask-session-forge/session_cookie_manager.py at master · u17zl/SSTI-flask-session-forge

This should then generate the correct ... is unlocked, you can simply run system commands: If you have a SECRET_KEY of the Flask application, you can forge your own session= cookies....

cs = s.get(url + "control-robot", cookies = {"session":"new cookie"}) ... .eJwljktqBDEMRO_idRaWZf3mMo0tS8wQSKB7ZhVy93HIsgrq1fspR55x3cvteb7ioxyPVW5lOKSvyObSsJFop2UgcwWxatPJUNlGtiqrsggKB5pMwzqkcqWmXLUbZndj8ole2av4Wg07zdFtuBNHThhsRLD5DhCOfXOjbJHXFee_Dezo15nH8_szvv6K5P1ludh0WuyVkrqCJklrAjhw-_dRft9jlD5c.YZax6g.tS__qotCbmnLiJgutCjo5R-q3o0 · I assume this is in jwt format, thus I used flask decode which gives me following output:

July 31, 2021 - This can be done on most Unix-like systems by using the uuid or uuidgen command, or by running the following on a machine with Python: ... Not only do you prevent attackers from figuring out your secret key, using server-side sessions also makes it impossible for an attacker to look at the contents of your session, as the only thing they’ll get is a unique token. One way of doing this in Flask is by installing the Flask-Session, package and initializing it when your application is being built.

March 24, 2025 - Python, being a powerful language don’t need any external library to import and offers a native library to send emails- “SMTP lib”. “smtplib” creates a Simple Mail Transfer Protocol client session object which is used to send emails to any valid email id on the internet. This article revolves around ... We can implement authentication, login/logout functionality in flask app using Flask-Login.

A conda-smithy repository for flask-session. Contribute to conda-forge/flask-session-feedstock development by creating an account on GitHub.

April 20, 2020 - ``` $ flask-unsign --sign --secret password1 --cookie "{'flagship': True, 'username': 'toto'}" eyJmbGFnc2hpcCI6dHJ1ZSwidXNlcm5hbWUiOiJ0b3RvIn0.Xp2TRQ.XlXCKJYANDb9ghp5ms_fKQhTkVY ``` Using Burp repeater we modify our cookie to get the flag · ``` GET /flag HTTP/1.1 Host: cookie-forge.cha.hackpack.club Cookie: session=eyJmbGFnc2hpcCI6dHJ1ZSwidXNlcm5hbWUiOiJ0b3RvIn0.Xp2TRQ.XlXCKJYANDb9ghp5ms_fKQhTkVY Upgrade-Insecure-Requests: 1 ·

pixi add flask-session · conda install -c https://prefix.dev/conda-forge flask-session · flask-session package does not contain a description · Loading chart data... 0.8.0 · BSD-3-Clause · noarch · 2 years ago · github.com/conda-forge/flask-session-feedstock ·

Command line tool to fetch, decode, brute-force and craft session cookies of a Flask application by guessing secret keys. - Paradoxis/Flask-Unsign

1 week ago - Probably if you are playing a CTF a Flask application will be related to SSTI. ... Command line tool to fetch, decode, brute-force and craft session cookies of a Flask application by guessing secret keys.

April 4, 2016 - The client has no way to forge a session with a random email (unless the server's secret key is leaked), so security is not a concern. The only thing is that the email will be stored without encryption on the session.

usage: flask_session_cookie_manager{2,3}.py decode [-h] [-s <string>] -c <string> optional arguments: -h, --help show this help message and exit -s <string>, --secret-key <string> Secret key -c <string>, --cookie-value <string> Session cookie value · $ python{2,3} flask_session_cookie_manager{2,3}.py encode -s '.{y]tR&sp&77RdO~u3@XAh#TalD@Oh~yOF_51H(QV};K|ghT^d' -t '{"number":"326410031505","username":"admin"}' eyJudW1iZXIiOnsiIGIiOiJNekkyTkRFd01ETXhOVEExIn0sInVzZXJuYW1lIjp7IiBiIjoiWVdSdGFXND0ifX0.DE2iRA.ig5KSlnmsDH4uhDpmsFRPupB5Vw

Use flask_session_cookie_manager3.py with Python 3 and flask_session_cookie_manager2.py with Python 2.