Linked Questions

22
votes
5answers
17k views

Should login and logout action have CSRF protection?

I am making a web application in Django which generates and includes CSRF tokens for sessions (a Django session can be anonymous or a registered user). Should I keep CSRF protection to the controllers ...
18
votes
2answers
12k views

Double Submit Cookies vulnerabilities

Is the Double Submit Cookies mechanism vulnerable anything other than XSS and sub-domain attacks? All CSRF protection mechanisms are vulnerable to XSS, so that's nothing new. I'm just wondering if I ...
12
votes
2answers
5k views

Why is referer checking needed for Django to prevent CSRF

Today I learned that Django's CSRF protection uses refer(r)er header checking in addition to checking a hidden form field against a cookie. It seems to be important, judging from docs and issue below. ...
6
votes
3answers
3k views

Is it secure not to have csrf protection in login forms?

I have noticed that WordPress doesn't have csrf protection for their admin panel login /wp-admin/. Does it actually posses any potential risk? Is there any possible ways there an attacker could ...
6
votes
1answer
666 views

Understanding CSRF attack prevention

I've read multiple topics about web-specific attacks and preventions, but I'm still not sure if I got the point. Let's imagine that we have a website (myapp.com) and a web service (myapi.com). The ...
3
votes
2answers
942 views

token based authentication attacks

JSON Web Token seems to be a very good tool to authenticate users. But I wonder if an attacker can take the token used by another user and use it for his own attacks. And to be more precise what makes ...
2
votes
2answers
2k views

How to avoid session fixation (Login CSRF) by MitM attack without HSTS?

I'm writing a web app that already uses TLS encrypted connections (HTTPS), Secure; HttpOnly session cookie, HMAC-SHA1 CSRF token, requires correct Referer header to avoid Login CSRF and changes ...
2
votes
2answers
1k views

Will Wordpress nonces protect against Login CSRF?

Can Wordpress Nonces be used to protect against Login CSRF? https://codex.wordpress.org/WordPress_Nonces I glanced through the code for the function and it seems to only be using the User ID for ...
2
votes
3answers
235 views

Web site accepting authentication via GET

There is a sign-in form on the website, which submits login/password via POST method. Problem is, that code, which accepts login/password and authenticate user also accepts it via GET method (also, if ...
1
vote
2answers
299 views

Can a “client-initiated” session cookie provide more privacy and security than existing session alternatives?

There are several uses for a cookie, and I would like to offer some kind of guarantee that a cookie is being used for a specific, limited purpose and scope. In my case, I want to prove that a cookie ...
0
votes
2answers
84 views

What conditions allow an attacker to write a cookie?

Some CSRF protection mechanisms are vulnerable to attackers who can write cookies. Others are not but incur extra complexity or computational cost. Help me understand the cost/benefit. What ...
0
votes
2answers
524 views

Should we prevent this login XSS attack?

Setup Restful API and thin JS web client Login POST Endpoint using parameters email and password Access-Control-Allow-Origin is set, so responses can only be retrieved from non attacker website. ...