Tagged Questions

5
votes
1answer
101 views

What's the risk in putting semantically meaningful data in an HTTP session identifier?

I'm currently looking at performance optimization and am considering a way of speeding up cookie based session handling. There are advantages to having a session identifier in place when there is no ...
2
votes
2answers
153 views

HTTPOnly Cookies: Security Depends on Client Cooperation?

I've been implementing HTTPOnly cookie-based session handling and have some questions about what HTTPOnly means. I realise it's a flag that gets passed around in the HTTP header when setting cookies. ...
5
votes
3answers
386 views

Is my session-less authentication system secure?

So, I've created an authentication system. Poured over it for any kind of security flaws and tested the crap out of it. I think it's fairly secure, but there is one "different" by-design aspect of it ...
2
votes
3answers
372 views

Session fixation attack

Given the following conditions, Session ID does not change upon login Session ID travels in form of HTTP cookie There is no cross site scripting/redirection vulnerability on the login page is it ...
2
votes
2answers
340 views

What if a browser does not understand the secure flag of cookie

I have two questions related to the same: 1 - As 'Httponly' attribute is understood by a set of modern browsers (https://www.owasp.org/index.php/HttpOnly#Browsers_Supporting_HttpOnly), I was ...
11
votes
3answers
1k views

How can I prevent tracking by ETAGs?

An ETAG is a HTTP header that is sent-behind-the-scenes between a web browser and an web server. This value is intended to control how long a particular file is cached on the client side. There is ...
3
votes
1answer
1k views

cookie path protection within same domain

The answer to this question about how cookies are potentially vulnerable between sub-domains sparked my curiosity. As far as I know, if a cookie is set on a sub-path of the same domain ...
7
votes
2answers
446 views

When are HTTP session cookies at risk over Wi-Fi?

If I'm using websites that do not use HTTPS, but I'm on a WEP-protected Wi-Fi network, are my cookies safe from being sniffed by third-parties? Are cookies only at risk during login, or am I at risk ...