0
votes
2answers
87 views

Security issues in “Remember Me” function code example

I'm a beginner, and these may be very obvious for you, but I'm trying to understand if there are security issues with this example. Today on Stack Overflow, I saw the following post: PHP Sessions ...
0
votes
0answers
72 views

CAS protection against CSRF attacks

A website based on Apache Struts uses central authentication service (cas) for login. I'd like to know if additional csrf protection needs to be provided with Struts in case cas doesn't provide that. ...
11
votes
4answers
468 views

How to protect against login CSRF?

http://seclab.stanford.edu/websec/csrf/csrf.pdf points out that most CSRF protection mechanisms fail to protect login forms. As http://stackoverflow.com/a/15350123/14731 explains: The ...
2
votes
1answer
84 views

Does using token-based auth make CSRF checks on login unnecessary?

Based on my understanding, avoiding the use of cookies as an authentication mechanism prevents CSRF vulnerabilities entirely (namely token based authentication in an SPA), when authenticated. Does ...
3
votes
2answers
128 views

What's a good time period before refreshing CSRF token of the user session?

I am using a form token to prevent CSRF attacks. Those tokens are stored and tied to a user's session. Now I want to refresh the token only every N minutes or hours so that the user's don't experience ...
3
votes
2answers
140 views

Random token and email confirmation key of 10 chars sufficient?

I have a function that returns random unguessable keys with the following characters: a-z A-Z 0-9. I have set the key length to 10 and I am using that for my form tokens to prevent CRSF and I will be ...
-4
votes
1answer
104 views

Using same CSRF Token for Multiple account creation [closed]

While Pentesting through some sites i found that an Multiple account's can be created using same CSRF token which should not allowed.I want to place two scenario's to describe my question. Scenario ...
10
votes
5answers
1k views

CSRF protection with Session Id

To protect against CSRF, couldn't my page javascript just dynamically insert the session id from the cookie into the body of each HTTP request right before it's sent? The server would then just ...
4
votes
2answers
481 views

How Secure are Authenticity Token in Rails

I came across a website which uses Rails Authenticity token to prevent CSRF attacks. My concern here is that I can see the authenticity token in the source code of the web page. If any other service ...
3
votes
1answer
2k views

How does a CSRF token prevent an attack, and how can I safely use/avoid it for my JSON API?

I'm trying to make an iOS app communicate with a Ruby on Rails website using JSON. While trying to post a login to create a user session, I discovered I was missing a CSRF token. I had no idea what ...