a cross site request forgery attack causes a visitor of a malicious website to send a request to a legit website to which he is already logged in including the session cookie.

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5
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1answer
151 views

PHP bin2hex vulnerable to timing attack?

I've read in a few places[1][2][3] of the desire to make PHP's bin2hex constant time. In what scenarios would bin2hex be vulnerable to a timing attack? Is this below code for handling a CSRF token ...
2
votes
1answer
289 views

Preventing CSRF attacks against WebSocket communications

I have read the thread about CSRF attacks in websockets (Do websocket-powered web apps (e.g. "comet" apps) have to worry about CSRF?) and also some more material regarding websocket ...
1
vote
1answer
29 views

Handling CSRF tokens on pages longer than the PHP session limit

I have a page that is open (i.e. requires no login) and allows users to give quick feedback. This page is available on a single shared PC or tablet. The form itself has a CSRF token on it. Problem is ...
1
vote
1answer
2k views

Trying to reproduce a file upload compromise on Joomla

After telling my workmates and boss that we had a very critical lack of security controls, finally we got compromised! They had a Joomla 1.5 which was exploited using a file upload vulnerability. WSO ...
0
votes
1answer
29 views

how to test for csrf if the web application is not using tokens and there are no users defined for that application?

I am testing an application that doesn't use anti-csrf tokens for its requests. There are no users defined for this application as well. Well, in that case, how to carry out testing for csrf in this ...
0
votes
1answer
87 views

CORS & CSRF Prevention for an REST based API

I'm currently trying to wrap my head around how to prevent CSRF. My first solution was to use a token which is suggested everywhere. That would of course fix this problem: <img ...
2
votes
0answers
22 views

Is it safe to store bearer tokens in an iframe and/or pass them back to the parent window

I am not a security expert, so I am hoping that a few of you might be able to tell me if there are any gaping flaws in the security design for my web app. Hopefully I'll be able to explain this ...
2
votes
0answers
153 views

Secure Single Page Application (SPA) served from a CDN

Is it possible to secure a Single Page Application (SPA) served from a CDN that communicates with a REST API, assuming the following: The front end communicates with a backend REST API using a token ...
1
vote
0answers
19 views

Is it okay to add CSRF synchronized token by modifying HTML from a valve/filter?

Is it okay to modify the html and add a hidden field containing the CSRF token to all the forms inside a page using a valve or a filter before going to the browser? I'm thinking on this line since I ...
1
vote
0answers
34 views

Oauth authentication without state parameter

I have some security concerns about the first step of account authentication in my application. The authentication goes through an OpenID provider. If the response of such provider shows that the ...
1
vote
0answers
61 views

Is there a security vulnerability to permit all CORS origins if the request origin matches a pattern?

Originally asked at: http://stackoverflow.com/questions/29526990/is-there-a-security-vulnerability-to-permit-all-cors-origins-if-the-request-orig We had a requirement to permit cross-origin requests ...
1
vote
0answers
187 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. ...